Home / 32,862.70-49,314.30-13,139.20

Finding the Fourth Proportional to 32,862.70, 49,314.30 and 13,139.20

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Solution

The fourth proportional to 32,862.70, 49,314.30 and 13,139.20 is: 19,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,862.70 : 49,314.30 = 13,139.20 : x
  2. Step 2: Convert to fraction form
    32,862.70/49,314.30 = 13,139.20/x
  3. Step 3: Cross multiply
    32,862.70x = 49,314.30 × 13,139.20
  4. Step 4: Simplify right side
    32,862.70x = 647,950,450.56
  5. Step 5: Solve for x
    x = 647,950,450.56/32,862.70
  6. Step 6: Final answer
    x = 19,716.90

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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.