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Finding the Fourth Proportional to 44,712.40, 67,111.80 and 27,216.40

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Solution

The fourth proportional to 44,712.40, 67,111.80 and 27,216.40 is: 40,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,712.40 : 67,111.80 = 27,216.40 : x
  2. Step 2: Convert to fraction form
    44,712.40/67,111.80 = 27,216.40/x
  3. Step 3: Cross multiply
    44,712.40x = 67,111.80 × 27,216.40
  4. Step 4: Simplify right side
    44,712.40x = 1,826,541,593.52
  5. Step 5: Solve for x
    x = 1,826,541,593.52/44,712.40
  6. Step 6: Final answer
    x = 40,850.90

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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.