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Finding the Fourth Proportional to 51,476.92, 77,069.78 and 32,710.43

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Solution

The fourth proportional to 51,476.92, 77,069.78 and 32,710.43 is: 48,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,476.92 : 77,069.78 = 32,710.43 : x
  2. Step 2: Convert to fraction form
    51,476.92/77,069.78 = 32,710.43/x
  3. Step 3: Cross multiply
    51,476.92x = 77,069.78 × 32,710.43
  4. Step 4: Simplify right side
    51,476.92x = 2,520,985,480.25
  5. Step 5: Solve for x
    x = 2,520,985,480.25/51,476.92
  6. Step 6: Final answer
    x = 48,973.13

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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.