Home / 43,772.40-65,659.56-15,694.32

Finding the Fourth Proportional to 43,772.40, 65,659.56 and 15,694.32

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Solution

The fourth proportional to 43,772.40, 65,659.56 and 15,694.32 is: 23,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,772.40 : 65,659.56 = 15,694.32 : x
  2. Step 2: Convert to fraction form
    43,772.40/65,659.56 = 15,694.32/x
  3. Step 3: Cross multiply
    43,772.40x = 65,659.56 × 15,694.32
  4. Step 4: Simplify right side
    43,772.40x = 1,030,482,145.70
  5. Step 5: Solve for x
    x = 1,030,482,145.70/43,772.40
  6. Step 6: Final answer
    x = 23,541.82

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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.