Home / 37,457.28-51,693.12-20,689.92

Finding the Fourth Proportional to 37,457.28, 51,693.12 and 20,689.92

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Solution

The fourth proportional to 37,457.28, 51,693.12 and 20,689.92 is: 28,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,457.28 : 51,693.12 = 20,689.92 : x
  2. Step 2: Convert to fraction form
    37,457.28/51,693.12 = 20,689.92/x
  3. Step 3: Cross multiply
    37,457.28x = 51,693.12 × 20,689.92
  4. Step 4: Simplify right side
    37,457.28x = 1,069,526,517.35
  5. Step 5: Solve for x
    x = 1,069,526,517.35/37,457.28
  6. Step 6: Final answer
    x = 28,553.23

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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.