Home / 65,229.31-97,856.12-20,867.23

Finding the Fourth Proportional to 65,229.31, 97,856.12 and 20,867.23

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Solution

The fourth proportional to 65,229.31, 97,856.12 and 20,867.23 is: 31,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,229.31 : 97,856.12 = 20,867.23 : x
  2. Step 2: Convert to fraction form
    65,229.31/97,856.12 = 20,867.23/x
  3. Step 3: Cross multiply
    65,229.31x = 97,856.12 × 20,867.23
  4. Step 4: Simplify right side
    65,229.31x = 2,041,986,162.95
  5. Step 5: Solve for x
    x = 2,041,986,162.95/65,229.31
  6. Step 6: Final answer
    x = 31,304.73

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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.