Home / 47,764.31-71,646.38-12,703.97

Finding the Fourth Proportional to 47,764.31, 71,646.38 and 12,703.97

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Solution

The fourth proportional to 47,764.31, 71,646.38 and 12,703.97 is: 19,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,764.31 : 71,646.38 = 12,703.97 : x
  2. Step 2: Convert to fraction form
    47,764.31/71,646.38 = 12,703.97/x
  3. Step 3: Cross multiply
    47,764.31x = 71,646.38 × 12,703.97
  4. Step 4: Simplify right side
    47,764.31x = 910,193,040.38
  5. Step 5: Solve for x
    x = 910,193,040.38/47,764.31
  6. Step 6: Final answer
    x = 19,055.92

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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.