Home / 57,380.19-86,084.13-19,934.82

Finding the Fourth Proportional to 57,380.19, 86,084.13 and 19,934.82

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Solution

The fourth proportional to 57,380.19, 86,084.13 and 19,934.82 is: 29,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,380.19 : 86,084.13 = 19,934.82 : x
  2. Step 2: Convert to fraction form
    57,380.19/86,084.13 = 19,934.82/x
  3. Step 3: Cross multiply
    57,380.19x = 86,084.13 × 19,934.82
  4. Step 4: Simplify right side
    57,380.19x = 1,716,071,636.41
  5. Step 5: Solve for x
    x = 1,716,071,636.41/57,380.19
  6. Step 6: Final answer
    x = 29,907.04

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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.