Home / 57,838.76-86,758.20-22,759.28

Finding the Fourth Proportional to 57,838.76, 86,758.20 and 22,759.28

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Solution

The fourth proportional to 57,838.76, 86,758.20 and 22,759.28 is: 34,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,838.76 : 86,758.20 = 22,759.28 : x
  2. Step 2: Convert to fraction form
    57,838.76/86,758.20 = 22,759.28/x
  3. Step 3: Cross multiply
    57,838.76x = 86,758.20 × 22,759.28
  4. Step 4: Simplify right side
    57,838.76x = 1,974,554,166.10
  5. Step 5: Solve for x
    x = 1,974,554,166.10/57,838.76
  6. Step 6: Final answer
    x = 34,138.94

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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.