Home / 71,380.14-107,066.10-21,459.24

Finding the Fourth Proportional to 71,380.14, 107,066.10 and 21,459.24

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Solution

The fourth proportional to 71,380.14, 107,066.10 and 21,459.24 is: 32,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,380.14 : 107,066.10 = 21,459.24 : x
  2. Step 2: Convert to fraction form
    71,380.14/107,066.10 = 21,459.24/x
  3. Step 3: Cross multiply
    71,380.14x = 107,066.10 × 21,459.24
  4. Step 4: Simplify right side
    71,380.14x = 2,297,557,135.76
  5. Step 5: Solve for x
    x = 2,297,557,135.76/71,380.14
  6. Step 6: Final answer
    x = 32,187.62

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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.