Home / 34,435.11-51,635.16-13,381.17

Finding the Fourth Proportional to 34,435.11, 51,635.16 and 13,381.17

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Solution

The fourth proportional to 34,435.11, 51,635.16 and 13,381.17 is: 20,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,435.11 : 51,635.16 = 13,381.17 : x
  2. Step 2: Convert to fraction form
    34,435.11/51,635.16 = 13,381.17/x
  3. Step 3: Cross multiply
    34,435.11x = 51,635.16 × 13,381.17
  4. Step 4: Simplify right side
    34,435.11x = 690,938,853.94
  5. Step 5: Solve for x
    x = 690,938,853.94/34,435.11
  6. Step 6: Final answer
    x = 20,064.95

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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.