Home / 63,989.38-88,312.20-35,704.90

Finding the Fourth Proportional to 63,989.38, 88,312.20 and 35,704.90

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Solution

The fourth proportional to 63,989.38, 88,312.20 and 35,704.90 is: 49,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,989.38 : 88,312.20 = 35,704.90 : x
  2. Step 2: Convert to fraction form
    63,989.38/88,312.20 = 35,704.90/x
  3. Step 3: Cross multiply
    63,989.38x = 88,312.20 × 35,704.90
  4. Step 4: Simplify right side
    63,989.38x = 3,153,178,269.78
  5. Step 5: Solve for x
    x = 3,153,178,269.78/63,989.38
  6. Step 6: Final answer
    x = 49,276.59

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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.