Home / 37,427.40-51,649.90-20,431.65

Finding the Fourth Proportional to 37,427.40, 51,649.90 and 20,431.65

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Solution

The fourth proportional to 37,427.40, 51,649.90 and 20,431.65 is: 28,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,427.40 : 51,649.90 = 20,431.65 : x
  2. Step 2: Convert to fraction form
    37,427.40/51,649.90 = 20,431.65/x
  3. Step 3: Cross multiply
    37,427.40x = 51,649.90 × 20,431.65
  4. Step 4: Simplify right side
    37,427.40x = 1,055,292,679.34
  5. Step 5: Solve for x
    x = 1,055,292,679.34/37,427.40
  6. Step 6: Final answer
    x = 28,195.73

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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.