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Finding the Fourth Proportional to 64,296.38, 88,731.96 and 36,002.07

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Solution

The fourth proportional to 64,296.38, 88,731.96 and 36,002.07 is: 49,684.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,296.38 : 88,731.96 = 36,002.07 : x
  2. Step 2: Convert to fraction form
    64,296.38/88,731.96 = 36,002.07/x
  3. Step 3: Cross multiply
    64,296.38x = 88,731.96 × 36,002.07
  4. Step 4: Simplify right side
    64,296.38x = 3,194,534,100.15
  5. Step 5: Solve for x
    x = 3,194,534,100.15/64,296.38
  6. Step 6: Final answer
    x = 49,684.51

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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.