Home / 71,037.14-106,560.96-20,434.12

Finding the Fourth Proportional to 71,037.14, 106,560.96 and 20,434.12

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Solution

The fourth proportional to 71,037.14, 106,560.96 and 20,434.12 is: 30,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,037.14 : 106,560.96 = 20,434.12 : x
  2. Step 2: Convert to fraction form
    71,037.14/106,560.96 = 20,434.12/x
  3. Step 3: Cross multiply
    71,037.14x = 106,560.96 × 20,434.12
  4. Step 4: Simplify right side
    71,037.14x = 2,177,479,443.96
  5. Step 5: Solve for x
    x = 2,177,479,443.96/71,037.14
  6. Step 6: Final answer
    x = 30,652.69

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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.