Home / 63,720.16-87,938.74-38,227.48

Finding the Fourth Proportional to 63,720.16, 87,938.74 and 38,227.48

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Solution

The fourth proportional to 63,720.16, 87,938.74 and 38,227.48 is: 52,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,720.16 : 87,938.74 = 38,227.48 : x
  2. Step 2: Convert to fraction form
    63,720.16/87,938.74 = 38,227.48/x
  3. Step 3: Cross multiply
    63,720.16x = 87,938.74 × 38,227.48
  4. Step 4: Simplify right side
    63,720.16x = 3,361,676,424.58
  5. Step 5: Solve for x
    x = 3,361,676,424.58/63,720.16
  6. Step 6: Final answer
    x = 52,756.87

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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.