Home / 43,337.52-64,993.40-18,377.20

Finding the Fourth Proportional to 43,337.52, 64,993.40 and 18,377.20

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Solution

The fourth proportional to 43,337.52, 64,993.40 and 18,377.20 is: 27,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,337.52 : 64,993.40 = 18,377.20 : x
  2. Step 2: Convert to fraction form
    43,337.52/64,993.40 = 18,377.20/x
  3. Step 3: Cross multiply
    43,337.52x = 64,993.40 × 18,377.20
  4. Step 4: Simplify right side
    43,337.52x = 1,194,396,710.48
  5. Step 5: Solve for x
    x = 1,194,396,710.48/43,337.52
  6. Step 6: Final answer
    x = 27,560.34

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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.