Home / 40,037.70-60,057.78-13,742.08

Finding the Fourth Proportional to 40,037.70, 60,057.78 and 13,742.08

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Solution

The fourth proportional to 40,037.70, 60,057.78 and 13,742.08 is: 20,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,037.70 : 60,057.78 = 13,742.08 : x
  2. Step 2: Convert to fraction form
    40,037.70/60,057.78 = 13,742.08/x
  3. Step 3: Cross multiply
    40,037.70x = 60,057.78 × 13,742.08
  4. Step 4: Simplify right side
    40,037.70x = 825,318,817.38
  5. Step 5: Solve for x
    x = 825,318,817.38/40,037.70
  6. Step 6: Final answer
    x = 20,613.54

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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.