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Finding the Fourth Proportional to 44,881.97, 67,302.43 and 13,280.78

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Solution

The fourth proportional to 44,881.97, 67,302.43 and 13,280.78 is: 19,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,881.97 : 67,302.43 = 13,280.78 : x
  2. Step 2: Convert to fraction form
    44,881.97/67,302.43 = 13,280.78/x
  3. Step 3: Cross multiply
    44,881.97x = 67,302.43 × 13,280.78
  4. Step 4: Simplify right side
    44,881.97x = 893,828,901.35
  5. Step 5: Solve for x
    x = 893,828,901.35/44,881.97
  6. Step 6: Final answer
    x = 19,915.10

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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.