Home / 40,867.35-61,285.02-15,904.09

Finding the Fourth Proportional to 40,867.35, 61,285.02 and 15,904.09

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Solution

The fourth proportional to 40,867.35, 61,285.02 and 15,904.09 is: 23,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,867.35 : 61,285.02 = 15,904.09 : x
  2. Step 2: Convert to fraction form
    40,867.35/61,285.02 = 15,904.09/x
  3. Step 3: Cross multiply
    40,867.35x = 61,285.02 × 15,904.09
  4. Step 4: Simplify right side
    40,867.35x = 974,682,473.73
  5. Step 5: Solve for x
    x = 974,682,473.73/40,867.35
  6. Step 6: Final answer
    x = 23,849.91

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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.