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Finding the Fourth Proportional to 45,871.80, 63,244.47 and 29,710.55

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Solution

The fourth proportional to 45,871.80, 63,244.47 and 29,710.55 is: 40,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,871.80 : 63,244.47 = 29,710.55 : x
  2. Step 2: Convert to fraction form
    45,871.80/63,244.47 = 29,710.55/x
  3. Step 3: Cross multiply
    45,871.80x = 63,244.47 × 29,710.55
  4. Step 4: Simplify right side
    45,871.80x = 1,879,027,671.94
  5. Step 5: Solve for x
    x = 1,879,027,671.94/45,871.80
  6. Step 6: Final answer
    x = 40,962.59

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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.