Home / 37,395.28-51,605.56-20,399.55

Finding the Fourth Proportional to 37,395.28, 51,605.56 and 20,399.55

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Solution

The fourth proportional to 37,395.28, 51,605.56 and 20,399.55 is: 28,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,395.28 : 51,605.56 = 20,399.55 : x
  2. Step 2: Convert to fraction form
    37,395.28/51,605.56 = 20,399.55/x
  3. Step 3: Cross multiply
    37,395.28x = 51,605.56 × 20,399.55
  4. Step 4: Simplify right side
    37,395.28x = 1,052,730,201.50
  5. Step 5: Solve for x
    x = 1,052,730,201.50/37,395.28
  6. Step 6: Final answer
    x = 28,151.42

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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.