Home / 43,439.10-65,159.87-15,355.19

Finding the Fourth Proportional to 43,439.10, 65,159.87 and 15,355.19

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Solution

The fourth proportional to 43,439.10, 65,159.87 and 15,355.19 is: 23,033.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,439.10 : 65,159.87 = 15,355.19 : x
  2. Step 2: Convert to fraction form
    43,439.10/65,159.87 = 15,355.19/x
  3. Step 3: Cross multiply
    43,439.10x = 65,159.87 × 15,355.19
  4. Step 4: Simplify right side
    43,439.10x = 1,000,541,781.65
  5. Step 5: Solve for x
    x = 1,000,541,781.65/43,439.10
  6. Step 6: Final answer
    x = 23,033.21

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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.