Home / 42,057.36-63,086.30-12,475.44

Finding the Fourth Proportional to 42,057.36, 63,086.30 and 12,475.44

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Solution

The fourth proportional to 42,057.36, 63,086.30 and 12,475.44 is: 18,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,057.36 : 63,086.30 = 12,475.44 : x
  2. Step 2: Convert to fraction form
    42,057.36/63,086.30 = 12,475.44/x
  3. Step 3: Cross multiply
    42,057.36x = 63,086.30 × 12,475.44
  4. Step 4: Simplify right side
    42,057.36x = 787,029,350.47
  5. Step 5: Solve for x
    x = 787,029,350.47/42,057.36
  6. Step 6: Final answer
    x = 18,713.24

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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.