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Finding the Fourth Proportional to 44,937.88, 67,397.18 and 13,340.40

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Solution

The fourth proportional to 44,937.88, 67,397.18 and 13,340.40 is: 20,007.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,937.88 : 67,397.18 = 13,340.40 : x
  2. Step 2: Convert to fraction form
    44,937.88/67,397.18 = 13,340.40/x
  3. Step 3: Cross multiply
    44,937.88x = 67,397.18 × 13,340.40
  4. Step 4: Simplify right side
    44,937.88x = 899,105,340.07
  5. Step 5: Solve for x
    x = 899,105,340.07/44,937.88
  6. Step 6: Final answer
    x = 20,007.74

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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.