Home / 65,713.14-98,575.92-18,331.38

Finding the Fourth Proportional to 65,713.14, 98,575.92 and 18,331.38

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Solution

The fourth proportional to 65,713.14, 98,575.92 and 18,331.38 is: 27,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,713.14 : 98,575.92 = 18,331.38 : x
  2. Step 2: Convert to fraction form
    65,713.14/98,575.92 = 18,331.38/x
  3. Step 3: Cross multiply
    65,713.14x = 98,575.92 × 18,331.38
  4. Step 4: Simplify right side
    65,713.14x = 1,807,032,648.37
  5. Step 5: Solve for x
    x = 1,807,032,648.37/65,713.14
  6. Step 6: Final answer
    x = 27,498.80

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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.