Home / 68,726.31-103,082.97-21,966.63

Finding the Fourth Proportional to 68,726.31, 103,082.97 and 21,966.63

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Solution

The fourth proportional to 68,726.31, 103,082.97 and 21,966.63 is: 32,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,726.31 : 103,082.97 = 21,966.63 : x
  2. Step 2: Convert to fraction form
    68,726.31/103,082.97 = 21,966.63/x
  3. Step 3: Cross multiply
    68,726.31x = 103,082.97 × 21,966.63
  4. Step 4: Simplify right side
    68,726.31x = 2,264,385,461.29
  5. Step 5: Solve for x
    x = 2,264,385,461.29/68,726.31
  6. Step 6: Final answer
    x = 32,947.87

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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.