Home / 38,406.97-57,610.45-12,113.76

Finding the Fourth Proportional to 38,406.97, 57,610.45 and 12,113.76

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Solution

The fourth proportional to 38,406.97, 57,610.45 and 12,113.76 is: 18,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,406.97 : 57,610.45 = 12,113.76 : x
  2. Step 2: Convert to fraction form
    38,406.97/57,610.45 = 12,113.76/x
  3. Step 3: Cross multiply
    38,406.97x = 57,610.45 × 12,113.76
  4. Step 4: Simplify right side
    38,406.97x = 697,879,164.79
  5. Step 5: Solve for x
    x = 697,879,164.79/38,406.97
  6. Step 6: Final answer
    x = 18,170.64

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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.