Home / 42,147.44-63,199.92-14,057.76

Finding the Fourth Proportional to 42,147.44, 63,199.92 and 14,057.76

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Solution

The fourth proportional to 42,147.44, 63,199.92 and 14,057.76 is: 21,079.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,147.44 : 63,199.92 = 14,057.76 : x
  2. Step 2: Convert to fraction form
    42,147.44/63,199.92 = 14,057.76/x
  3. Step 3: Cross multiply
    42,147.44x = 63,199.92 × 14,057.76
  4. Step 4: Simplify right side
    42,147.44x = 888,449,307.38
  5. Step 5: Solve for x
    x = 888,449,307.38/42,147.44
  6. Step 6: Final answer
    x = 21,079.56

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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.