Home / 37,386.99-51,593.84-20,390.92

Finding the Fourth Proportional to 37,386.99, 51,593.84 and 20,390.92

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Solution

The fourth proportional to 37,386.99, 51,593.84 and 20,390.92 is: 28,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,386.99 : 51,593.84 = 20,390.92 : x
  2. Step 2: Convert to fraction form
    37,386.99/51,593.84 = 20,390.92/x
  3. Step 3: Cross multiply
    37,386.99x = 51,593.84 × 20,390.92
  4. Step 4: Simplify right side
    37,386.99x = 1,052,045,863.93
  5. Step 5: Solve for x
    x = 1,052,045,863.93/37,386.99
  6. Step 6: Final answer
    x = 28,139.36

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Half scale
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Double scale
Find fourth proportional to 37,387.99, 51,595.22 and 20,391.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.