Home / 65,414.52-98,131.38-21,026.64

Finding the Fourth Proportional to 65,414.52, 98,131.38 and 21,026.64

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Solution

The fourth proportional to 65,414.52, 98,131.38 and 21,026.64 is: 31,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414.52 : 98,131.38 = 21,026.64 : x
  2. Step 2: Convert to fraction form
    65,414.52/98,131.38 = 21,026.64/x
  3. Step 3: Cross multiply
    65,414.52x = 98,131.38 × 21,026.64
  4. Step 4: Simplify right side
    65,414.52x = 2,063,373,199.96
  5. Step 5: Solve for x
    x = 2,063,373,199.96/65,414.52
  6. Step 6: Final answer
    x = 31,543.05

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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.