Home / 47,896.29-71,712.95-38,990.76

Finding the Fourth Proportional to 47,896.29, 71,712.95 and 38,990.76

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Solution

The fourth proportional to 47,896.29, 71,712.95 and 38,990.76 is: 58,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,896.29 : 71,712.95 = 38,990.76 : x
  2. Step 2: Convert to fraction form
    47,896.29/71,712.95 = 38,990.76/x
  3. Step 3: Cross multiply
    47,896.29x = 71,712.95 × 38,990.76
  4. Step 4: Simplify right side
    47,896.29x = 2,796,142,227.39
  5. Step 5: Solve for x
    x = 2,796,142,227.39/47,896.29
  6. Step 6: Final answer
    x = 58,379.10

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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.