Home / 65,512.95-98,269.43-21,141.15

Finding the Fourth Proportional to 65,512.95, 98,269.43 and 21,141.15

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Solution

The fourth proportional to 65,512.95, 98,269.43 and 21,141.15 is: 31,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,512.95 : 98,269.43 = 21,141.15 : x
  2. Step 2: Convert to fraction form
    65,512.95/98,269.43 = 21,141.15/x
  3. Step 3: Cross multiply
    65,512.95x = 98,269.43 × 21,141.15
  4. Step 4: Simplify right side
    65,512.95x = 2,077,528,654.34
  5. Step 5: Solve for x
    x = 2,077,528,654.34/65,512.95
  6. Step 6: Final answer
    x = 31,711.73

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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.