Home / 42,516.42-63,767.46-12,119.42

Finding the Fourth Proportional to 42,516.42, 63,767.46 and 12,119.42

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Solution

The fourth proportional to 42,516.42, 63,767.46 and 12,119.42 is: 18,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,516.42 : 63,767.46 = 12,119.42 : x
  2. Step 2: Convert to fraction form
    42,516.42/63,767.46 = 12,119.42/x
  3. Step 3: Cross multiply
    42,516.42x = 63,767.46 × 12,119.42
  4. Step 4: Simplify right side
    42,516.42x = 772,824,311.24
  5. Step 5: Solve for x
    x = 772,824,311.24/42,516.42
  6. Step 6: Final answer
    x = 18,177.08

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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.