Home / 41,785.08-62,679.12-13,705.80

Finding the Fourth Proportional to 41,785.08, 62,679.12 and 13,705.80

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Solution

The fourth proportional to 41,785.08, 62,679.12 and 13,705.80 is: 20,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,785.08 : 62,679.12 = 13,705.80 : x
  2. Step 2: Convert to fraction form
    41,785.08/62,679.12 = 13,705.80/x
  3. Step 3: Cross multiply
    41,785.08x = 62,679.12 × 13,705.80
  4. Step 4: Simplify right side
    41,785.08x = 859,067,482.90
  5. Step 5: Solve for x
    x = 859,067,482.90/41,785.08
  6. Step 6: Final answer
    x = 20,559.19

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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.