Home / 42,096.05-63,144.07-12,513.83

Finding the Fourth Proportional to 42,096.05, 63,144.07 and 12,513.83

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Solution

The fourth proportional to 42,096.05, 63,144.07 and 12,513.83 is: 18,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,096.05 : 63,144.07 = 12,513.83 : x
  2. Step 2: Convert to fraction form
    42,096.05/63,144.07 = 12,513.83/x
  3. Step 3: Cross multiply
    42,096.05x = 63,144.07 × 12,513.83
  4. Step 4: Simplify right side
    42,096.05x = 790,174,284.06
  5. Step 5: Solve for x
    x = 790,174,284.06/42,096.05
  6. Step 6: Final answer
    x = 18,770.75

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Similar ratio
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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.