Home / 65,227.31-97,836.19-20,842.15

Finding the Fourth Proportional to 65,227.31, 97,836.19 and 20,842.15

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Solution

The fourth proportional to 65,227.31, 97,836.19 and 20,842.15 is: 31,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,227.31 : 97,836.19 = 20,842.15 : x
  2. Step 2: Convert to fraction form
    65,227.31/97,836.19 = 20,842.15/x
  3. Step 3: Cross multiply
    65,227.31x = 97,836.19 × 20,842.15
  4. Step 4: Simplify right side
    65,227.31x = 2,039,116,252.61
  5. Step 5: Solve for x
    x = 2,039,116,252.61/65,227.31
  6. Step 6: Final answer
    x = 31,261.69

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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.