Home / 47,122.70-70,707.96-31,338.71

Finding the Fourth Proportional to 47,122.70, 70,707.96 and 31,338.71

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Solution

The fourth proportional to 47,122.70, 70,707.96 and 31,338.71 is: 47,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,122.70 : 70,707.96 = 31,338.71 : x
  2. Step 2: Convert to fraction form
    47,122.70/70,707.96 = 31,338.71/x
  3. Step 3: Cross multiply
    47,122.70x = 70,707.96 × 31,338.71
  4. Step 4: Simplify right side
    47,122.70x = 2,215,896,253.13
  5. Step 5: Solve for x
    x = 2,215,896,253.13/47,122.70
  6. Step 6: Final answer
    x = 47,023.97

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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.