Home / 40,990.97-61,568.40-39,645.83

Finding the Fourth Proportional to 40,990.97, 61,568.40 and 39,645.83

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Solution

The fourth proportional to 40,990.97, 61,568.40 and 39,645.83 is: 59,548.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,990.97 : 61,568.40 = 39,645.83 : x
  2. Step 2: Convert to fraction form
    40,990.97/61,568.40 = 39,645.83/x
  3. Step 3: Cross multiply
    40,990.97x = 61,568.40 × 39,645.83
  4. Step 4: Simplify right side
    40,990.97x = 2,440,930,319.77
  5. Step 5: Solve for x
    x = 2,440,930,319.77/40,990.97
  6. Step 6: Final answer
    x = 59,548.00

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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.