Home / 47,712.04-71,551.86-18,122.74

Finding the Fourth Proportional to 47,712.04, 71,551.86 and 18,122.74

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Solution

The fourth proportional to 47,712.04, 71,551.86 and 18,122.74 is: 27,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.04 : 71,551.86 = 18,122.74 : x
  2. Step 2: Convert to fraction form
    47,712.04/71,551.86 = 18,122.74/x
  3. Step 3: Cross multiply
    47,712.04x = 71,551.86 × 18,122.74
  4. Step 4: Simplify right side
    47,712.04x = 1,296,715,755.30
  5. Step 5: Solve for x
    x = 1,296,715,755.30/47,712.04
  6. Step 6: Final answer
    x = 27,177.96

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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.