Home / 42,174.94-63,279.90-18,470.24

Finding the Fourth Proportional to 42,174.94, 63,279.90 and 18,470.24

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Solution

The fourth proportional to 42,174.94, 63,279.90 and 18,470.24 is: 27,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,174.94 : 63,279.90 = 18,470.24 : x
  2. Step 2: Convert to fraction form
    42,174.94/63,279.90 = 18,470.24/x
  3. Step 3: Cross multiply
    42,174.94x = 63,279.90 × 18,470.24
  4. Step 4: Simplify right side
    42,174.94x = 1,168,794,940.18
  5. Step 5: Solve for x
    x = 1,168,794,940.18/42,174.94
  6. Step 6: Final answer
    x = 27,713.02

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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.