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Finding the Fourth Proportional to 45,658.74, 68,488.13 and 29,963.06

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Solution

The fourth proportional to 45,658.74, 68,488.13 and 29,963.06 is: 44,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,658.74 : 68,488.13 = 29,963.06 : x
  2. Step 2: Convert to fraction form
    45,658.74/68,488.13 = 29,963.06/x
  3. Step 3: Cross multiply
    45,658.74x = 68,488.13 × 29,963.06
  4. Step 4: Simplify right side
    45,658.74x = 2,052,114,323.02
  5. Step 5: Solve for x
    x = 2,052,114,323.02/45,658.74
  6. Step 6: Final answer
    x = 44,944.61

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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.