Home / 42,132.04-63,209.87-18,441.65

Finding the Fourth Proportional to 42,132.04, 63,209.87 and 18,441.65

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Solution

The fourth proportional to 42,132.04, 63,209.87 and 18,441.65 is: 27,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,132.04 : 63,209.87 = 18,441.65 : x
  2. Step 2: Convert to fraction form
    42,132.04/63,209.87 = 18,441.65/x
  3. Step 3: Cross multiply
    42,132.04x = 63,209.87 × 18,441.65
  4. Step 4: Simplify right side
    42,132.04x = 1,165,694,299.09
  5. Step 5: Solve for x
    x = 1,165,694,299.09/42,132.04
  6. Step 6: Final answer
    x = 27,667.64

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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.