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Finding the Fourth Proportional to 65,248.59, 97,879.37 and 20,864.19

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Solution

The fourth proportional to 65,248.59, 97,879.37 and 20,864.19 is: 31,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,248.59 : 97,879.37 = 20,864.19 : x
  2. Step 2: Convert to fraction form
    65,248.59/97,879.37 = 20,864.19/x
  3. Step 3: Cross multiply
    65,248.59x = 97,879.37 × 20,864.19
  4. Step 4: Simplify right side
    65,248.59x = 2,042,173,668.44
  5. Step 5: Solve for x
    x = 2,042,173,668.44/65,248.59
  6. Step 6: Final answer
    x = 31,298.36

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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.