Home / 71,327.16-107,008.50-21,408.18

Finding the Fourth Proportional to 71,327.16, 107,008.50 and 21,408.18

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Solution

The fourth proportional to 71,327.16, 107,008.50 and 21,408.18 is: 32,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327.16 : 107,008.50 = 21,408.18 : x
  2. Step 2: Convert to fraction form
    71,327.16/107,008.50 = 21,408.18/x
  3. Step 3: Cross multiply
    71,327.16x = 107,008.50 × 21,408.18
  4. Step 4: Simplify right side
    71,327.16x = 2,290,857,229.53
  5. Step 5: Solve for x
    x = 2,290,857,229.53/71,327.16
  6. Step 6: Final answer
    x = 32,117.60

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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.