Home / 39,228.18-58,836.20-11,149.53

Finding the Fourth Proportional to 39,228.18, 58,836.20 and 11,149.53

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Solution

The fourth proportional to 39,228.18, 58,836.20 and 11,149.53 is: 16,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,228.18 : 58,836.20 = 11,149.53 : x
  2. Step 2: Convert to fraction form
    39,228.18/58,836.20 = 11,149.53/x
  3. Step 3: Cross multiply
    39,228.18x = 58,836.20 × 11,149.53
  4. Step 4: Simplify right side
    39,228.18x = 655,995,921.24
  5. Step 5: Solve for x
    x = 655,995,921.24/39,228.18
  6. Step 6: Final answer
    x = 16,722.57

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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.