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Finding the Fourth Proportional to 63,988.92, 96,034.68 and 28,931.58

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Solution

The fourth proportional to 63,988.92, 96,034.68 and 28,931.58 is: 43,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,988.92 : 96,034.68 = 28,931.58 : x
  2. Step 2: Convert to fraction form
    63,988.92/96,034.68 = 28,931.58/x
  3. Step 3: Cross multiply
    63,988.92x = 96,034.68 × 28,931.58
  4. Step 4: Simplify right side
    63,988.92x = 2,778,435,027.19
  5. Step 5: Solve for x
    x = 2,778,435,027.19/63,988.92
  6. Step 6: Final answer
    x = 43,420.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.