Home / 38,404.97-57,607.46-12,111.77

Finding the Fourth Proportional to 38,404.97, 57,607.46 and 12,111.77

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Solution

The fourth proportional to 38,404.97, 57,607.46 and 12,111.77 is: 18,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404.97 : 57,607.46 = 12,111.77 : x
  2. Step 2: Convert to fraction form
    38,404.97/57,607.46 = 12,111.77/x
  3. Step 3: Cross multiply
    38,404.97x = 57,607.46 × 12,111.77
  4. Step 4: Simplify right side
    38,404.97x = 697,727,957.21
  5. Step 5: Solve for x
    x = 697,727,957.21/38,404.97
  6. Step 6: Final answer
    x = 18,167.65

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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.