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Finding the Fourth Proportional to 44,439, 61,320.48 and 25,318.86

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Solution

The fourth proportional to 44,439, 61,320.48 and 25,318.86 is: 34,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,439 : 61,320.48 = 25,318.86 : x
  2. Step 2: Convert to fraction form
    44,439/61,320.48 = 25,318.86/x
  3. Step 3: Cross multiply
    44,439x = 61,320.48 × 25,318.86
  4. Step 4: Simplify right side
    44,439x = 1,552,564,648.25
  5. Step 5: Solve for x
    x = 1,552,564,648.25/44,439
  6. Step 6: Final answer
    x = 34,936.98

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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.