Home / 57,217.71-85,805.46-19,768.17

Finding the Fourth Proportional to 57,217.71, 85,805.46 and 19,768.17

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Solution

The fourth proportional to 57,217.71, 85,805.46 and 19,768.17 is: 29,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217.71 : 85,805.46 = 19,768.17 : x
  2. Step 2: Convert to fraction form
    57,217.71/85,805.46 = 19,768.17/x
  3. Step 3: Cross multiply
    57,217.71x = 85,805.46 × 19,768.17
  4. Step 4: Simplify right side
    57,217.71x = 1,696,216,920.21
  5. Step 5: Solve for x
    x = 1,696,216,920.21/57,217.71
  6. Step 6: Final answer
    x = 29,644.96

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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.