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Finding the Fourth Proportional to 71,578.57, 107,323.73 and 24,189.19

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Solution

The fourth proportional to 71,578.57, 107,323.73 and 24,189.19 is: 36,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,578.57 : 107,323.73 = 24,189.19 : x
  2. Step 2: Convert to fraction form
    71,578.57/107,323.73 = 24,189.19/x
  3. Step 3: Cross multiply
    71,578.57x = 107,323.73 × 24,189.19
  4. Step 4: Simplify right side
    71,578.57x = 2,596,074,156.95
  5. Step 5: Solve for x
    x = 2,596,074,156.95/71,578.57
  6. Step 6: Final answer
    x = 36,268.88

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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.