Home / 47,394.13-71,049.55-19,337.81

Finding the Fourth Proportional to 47,394.13, 71,049.55 and 19,337.81

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Solution

The fourth proportional to 47,394.13, 71,049.55 and 19,337.81 is: 28,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,394.13 : 71,049.55 = 19,337.81 : x
  2. Step 2: Convert to fraction form
    47,394.13/71,049.55 = 19,337.81/x
  3. Step 3: Cross multiply
    47,394.13x = 71,049.55 × 19,337.81
  4. Step 4: Simplify right side
    47,394.13x = 1,373,942,449.40
  5. Step 5: Solve for x
    x = 1,373,942,449.40/47,394.13
  6. Step 6: Final answer
    x = 28,989.72

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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.