Home / 42,049.40-63,074.10-28,861.79

Finding the Fourth Proportional to 42,049.40, 63,074.10 and 28,861.79

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Solution

The fourth proportional to 42,049.40, 63,074.10 and 28,861.79 is: 43,292.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,049.40 : 63,074.10 = 28,861.79 : x
  2. Step 2: Convert to fraction form
    42,049.40/63,074.10 = 28,861.79/x
  3. Step 3: Cross multiply
    42,049.40x = 63,074.10 × 28,861.79
  4. Step 4: Simplify right side
    42,049.40x = 1,820,431,428.64
  5. Step 5: Solve for x
    x = 1,820,431,428.64/42,049.40
  6. Step 6: Final answer
    x = 43,292.69

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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.