Home / 52,143.98-71,962.85-29,487.74

Finding the Fourth Proportional to 52,143.98, 71,962.85 and 29,487.74

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Solution

The fourth proportional to 52,143.98, 71,962.85 and 29,487.74 is: 40,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,143.98 : 71,962.85 = 29,487.74 : x
  2. Step 2: Convert to fraction form
    52,143.98/71,962.85 = 29,487.74/x
  3. Step 3: Cross multiply
    52,143.98x = 71,962.85 × 29,487.74
  4. Step 4: Simplify right side
    52,143.98x = 2,122,021,810.46
  5. Step 5: Solve for x
    x = 2,122,021,810.46/52,143.98
  6. Step 6: Final answer
    x = 40,695.43

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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.