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Finding the Fourth Proportional to 29,791.30, 44,686.98 and 12,248.86

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Solution

The fourth proportional to 29,791.30, 44,686.98 and 12,248.86 is: 18,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,791.30 : 44,686.98 = 12,248.86 : x
  2. Step 2: Convert to fraction form
    29,791.30/44,686.98 = 12,248.86/x
  3. Step 3: Cross multiply
    29,791.30x = 44,686.98 × 12,248.86
  4. Step 4: Simplify right side
    29,791.30x = 547,364,561.84
  5. Step 5: Solve for x
    x = 547,364,561.84/29,791.30
  6. Step 6: Final answer
    x = 18,373.30

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1.5x scale

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.