Home / 42,138.82-63,186.92-14,049.03

Finding the Fourth Proportional to 42,138.82, 63,186.92 and 14,049.03

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Solution

The fourth proportional to 42,138.82, 63,186.92 and 14,049.03 is: 21,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,138.82 : 63,186.92 = 14,049.03 : x
  2. Step 2: Convert to fraction form
    42,138.82/63,186.92 = 14,049.03/x
  3. Step 3: Cross multiply
    42,138.82x = 63,186.92 × 14,049.03
  4. Step 4: Simplify right side
    42,138.82x = 887,714,934.69
  5. Step 5: Solve for x
    x = 887,714,934.69/42,138.82
  6. Step 6: Final answer
    x = 21,066.44

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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.