Home / 39,079.72-58,630.52-15,722.56

Finding the Fourth Proportional to 39,079.72, 58,630.52 and 15,722.56

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Solution

The fourth proportional to 39,079.72, 58,630.52 and 15,722.56 is: 23,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,079.72 : 58,630.52 = 15,722.56 : x
  2. Step 2: Convert to fraction form
    39,079.72/58,630.52 = 15,722.56/x
  3. Step 3: Cross multiply
    39,079.72x = 58,630.52 × 15,722.56
  4. Step 4: Simplify right side
    39,079.72x = 921,821,868.53
  5. Step 5: Solve for x
    x = 921,821,868.53/39,079.72
  6. Step 6: Final answer
    x = 23,588.24

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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.