Home / 65,909.56-98,877.06-21,524.38

Finding the Fourth Proportional to 65,909.56, 98,877.06 and 21,524.38

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Solution

The fourth proportional to 65,909.56, 98,877.06 and 21,524.38 is: 32,290.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,909.56 : 98,877.06 = 21,524.38 : x
  2. Step 2: Convert to fraction form
    65,909.56/98,877.06 = 21,524.38/x
  3. Step 3: Cross multiply
    65,909.56x = 98,877.06 × 21,524.38
  4. Step 4: Simplify right side
    65,909.56x = 2,128,267,412.72
  5. Step 5: Solve for x
    x = 2,128,267,412.72/65,909.56
  6. Step 6: Final answer
    x = 32,290.72

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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.