Home / 37,382.40-51,587.05-20,386.77

Finding the Fourth Proportional to 37,382.40, 51,587.05 and 20,386.77

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Solution

The fourth proportional to 37,382.40, 51,587.05 and 20,386.77 is: 28,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,382.40 : 51,587.05 = 20,386.77 : x
  2. Step 2: Convert to fraction form
    37,382.40/51,587.05 = 20,386.77/x
  3. Step 3: Cross multiply
    37,382.40x = 51,587.05 × 20,386.77
  4. Step 4: Simplify right side
    37,382.40x = 1,051,693,323.33
  5. Step 5: Solve for x
    x = 1,051,693,323.33/37,382.40
  6. Step 6: Final answer
    x = 28,133.38

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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.