Home / 51,502.20-71,062.76-31,345.56

Finding the Fourth Proportional to 51,502.20, 71,062.76 and 31,345.56

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Solution

The fourth proportional to 51,502.20, 71,062.76 and 31,345.56 is: 43,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,502.20 : 71,062.76 = 31,345.56 : x
  2. Step 2: Convert to fraction form
    51,502.20/71,062.76 = 31,345.56/x
  3. Step 3: Cross multiply
    51,502.20x = 71,062.76 × 31,345.56
  4. Step 4: Simplify right side
    51,502.20x = 2,227,502,007.35
  5. Step 5: Solve for x
    x = 2,227,502,007.35/51,502.20
  6. Step 6: Final answer
    x = 43,250.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.