Home / 47,937.72-71,860.14-18,332.76

Finding the Fourth Proportional to 47,937.72, 71,860.14 and 18,332.76

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Solution

The fourth proportional to 47,937.72, 71,860.14 and 18,332.76 is: 27,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,937.72 : 71,860.14 = 18,332.76 : x
  2. Step 2: Convert to fraction form
    47,937.72/71,860.14 = 18,332.76/x
  3. Step 3: Cross multiply
    47,937.72x = 71,860.14 × 18,332.76
  4. Step 4: Simplify right side
    47,937.72x = 1,317,394,700.19
  5. Step 5: Solve for x
    x = 1,317,394,700.19/47,937.72
  6. Step 6: Final answer
    x = 27,481.38

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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.