Home / 42,138.14-63,191.70-17,164.62

Finding the Fourth Proportional to 42,138.14, 63,191.70 and 17,164.62

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Solution

The fourth proportional to 42,138.14, 63,191.70 and 17,164.62 is: 25,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,138.14 : 63,191.70 = 17,164.62 : x
  2. Step 2: Convert to fraction form
    42,138.14/63,191.70 = 17,164.62/x
  3. Step 3: Cross multiply
    42,138.14x = 63,191.70 × 17,164.62
  4. Step 4: Simplify right side
    42,138.14x = 1,084,661,517.65
  5. Step 5: Solve for x
    x = 1,084,661,517.65/42,138.14
  6. Step 6: Final answer
    x = 25,740.61

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1.5x scale

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.