Home / 29,120.68-43,690.74-11,585.80

Finding the Fourth Proportional to 29,120.68, 43,690.74 and 11,585.80

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Solution

The fourth proportional to 29,120.68, 43,690.74 and 11,585.80 is: 17,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.68 : 43,690.74 = 11,585.80 : x
  2. Step 2: Convert to fraction form
    29,120.68/43,690.74 = 11,585.80/x
  3. Step 3: Cross multiply
    29,120.68x = 43,690.74 × 11,585.80
  4. Step 4: Simplify right side
    29,120.68x = 506,192,175.49
  5. Step 5: Solve for x
    x = 506,192,175.49/29,120.68
  6. Step 6: Final answer
    x = 17,382.57

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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.