Home / 65,267.10-97,912.92-20,881.95

Finding the Fourth Proportional to 65,267.10, 97,912.92 and 20,881.95

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Solution

The fourth proportional to 65,267.10, 97,912.92 and 20,881.95 is: 31,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,267.10 : 97,912.92 = 20,881.95 : x
  2. Step 2: Convert to fraction form
    65,267.10/97,912.92 = 20,881.95/x
  3. Step 3: Cross multiply
    65,267.10x = 97,912.92 × 20,881.95
  4. Step 4: Simplify right side
    65,267.10x = 2,044,612,699.79
  5. Step 5: Solve for x
    x = 2,044,612,699.79/65,267.10
  6. Step 6: Final answer
    x = 31,326.85

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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.