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Finding the Fourth Proportional to 63,210.59, 87,233.15 and 36,353.09

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Solution

The fourth proportional to 63,210.59, 87,233.15 and 36,353.09 is: 50,168.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,210.59 : 87,233.15 = 36,353.09 : x
  2. Step 2: Convert to fraction form
    63,210.59/87,233.15 = 36,353.09/x
  3. Step 3: Cross multiply
    63,210.59x = 87,233.15 × 36,353.09
  4. Step 4: Simplify right side
    63,210.59x = 3,171,193,935.00
  5. Step 5: Solve for x
    x = 3,171,193,935.00/63,210.59
  6. Step 6: Final answer
    x = 50,168.72

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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.