Home / 40,989.97-61,566.90-39,644.83

Finding the Fourth Proportional to 40,989.97, 61,566.90 and 39,644.83

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Solution

The fourth proportional to 40,989.97, 61,566.90 and 39,644.83 is: 59,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,989.97 : 61,566.90 = 39,644.83 : x
  2. Step 2: Convert to fraction form
    40,989.97/61,566.90 = 39,644.83/x
  3. Step 3: Cross multiply
    40,989.97x = 61,566.90 × 39,644.83
  4. Step 4: Simplify right side
    40,989.97x = 2,440,809,284.13
  5. Step 5: Solve for x
    x = 2,440,809,284.13/40,989.97
  6. Step 6: Final answer
    x = 59,546.50

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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.