Home / 37,513.60-51,761.28-20,743.36

Finding the Fourth Proportional to 37,513.60, 51,761.28 and 20,743.36

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Solution

The fourth proportional to 37,513.60, 51,761.28 and 20,743.36 is: 28,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,513.60 : 51,761.28 = 20,743.36 : x
  2. Step 2: Convert to fraction form
    37,513.60/51,761.28 = 20,743.36/x
  3. Step 3: Cross multiply
    37,513.60x = 51,761.28 × 20,743.36
  4. Step 4: Simplify right side
    37,513.60x = 1,073,702,865.10
  5. Step 5: Solve for x
    x = 1,073,702,865.10/37,513.60
  6. Step 6: Final answer
    x = 28,621.70

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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.