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Finding the Fourth Proportional to 44,490.87, 61,392.74 and 25,369.20

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Solution

The fourth proportional to 44,490.87, 61,392.74 and 25,369.20 is: 35,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,490.87 : 61,392.74 = 25,369.20 : x
  2. Step 2: Convert to fraction form
    44,490.87/61,392.74 = 25,369.20/x
  3. Step 3: Cross multiply
    44,490.87x = 61,392.74 × 25,369.20
  4. Step 4: Simplify right side
    44,490.87x = 1,557,484,572.76
  5. Step 5: Solve for x
    x = 1,557,484,572.76/44,490.87
  6. Step 6: Final answer
    x = 35,006.84

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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.