Home / 38,406.92-57,610.39-12,113.71

Finding the Fourth Proportional to 38,406.92, 57,610.39 and 12,113.71

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Solution

The fourth proportional to 38,406.92, 57,610.39 and 12,113.71 is: 18,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,406.92 : 57,610.39 = 12,113.71 : x
  2. Step 2: Convert to fraction form
    38,406.92/57,610.39 = 12,113.71/x
  3. Step 3: Cross multiply
    38,406.92x = 57,610.39 × 12,113.71
  4. Step 4: Simplify right side
    38,406.92x = 697,875,759.82
  5. Step 5: Solve for x
    x = 697,875,759.82/38,406.92
  6. Step 6: Final answer
    x = 18,170.57

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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.