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Finding the Fourth Proportional to 63,589.64, 95,411.40 and 31,983.08

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Solution

The fourth proportional to 63,589.64, 95,411.40 and 31,983.08 is: 47,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,589.64 : 95,411.40 = 31,983.08 : x
  2. Step 2: Convert to fraction form
    63,589.64/95,411.40 = 31,983.08/x
  3. Step 3: Cross multiply
    63,589.64x = 95,411.40 × 31,983.08
  4. Step 4: Simplify right side
    63,589.64x = 3,051,550,439.11
  5. Step 5: Solve for x
    x = 3,051,550,439.11/63,589.64
  6. Step 6: Final answer
    x = 47,988.17

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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.