Home / 55,815.28-83,733.27-18,377.62

Finding the Fourth Proportional to 55,815.28, 83,733.27 and 18,377.62

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Solution

The fourth proportional to 55,815.28, 83,733.27 and 18,377.62 is: 27,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,815.28 : 83,733.27 = 18,377.62 : x
  2. Step 2: Convert to fraction form
    55,815.28/83,733.27 = 18,377.62/x
  3. Step 3: Cross multiply
    55,815.28x = 83,733.27 × 18,377.62
  4. Step 4: Simplify right side
    55,815.28x = 1,538,818,217.42
  5. Step 5: Solve for x
    x = 1,538,818,217.42/55,815.28
  6. Step 6: Final answer
    x = 27,569.84

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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.