Home / 39,180.06-58,764.35-12,529.04

Finding the Fourth Proportional to 39,180.06, 58,764.35 and 12,529.04

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Solution

The fourth proportional to 39,180.06, 58,764.35 and 12,529.04 is: 18,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,180.06 : 58,764.35 = 12,529.04 : x
  2. Step 2: Convert to fraction form
    39,180.06/58,764.35 = 12,529.04/x
  3. Step 3: Cross multiply
    39,180.06x = 58,764.35 × 12,529.04
  4. Step 4: Simplify right side
    39,180.06x = 736,260,535.26
  5. Step 5: Solve for x
    x = 736,260,535.26/39,180.06
  6. Step 6: Final answer
    x = 18,791.72

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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.