Home / 41,989.92-57,878.55-28,373.70

Finding the Fourth Proportional to 41,989.92, 57,878.55 and 28,373.70

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Solution

The fourth proportional to 41,989.92, 57,878.55 and 28,373.70 is: 39,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,989.92 : 57,878.55 = 28,373.70 : x
  2. Step 2: Convert to fraction form
    41,989.92/57,878.55 = 28,373.70/x
  3. Step 3: Cross multiply
    41,989.92x = 57,878.55 × 28,373.70
  4. Step 4: Simplify right side
    41,989.92x = 1,642,228,614.14
  5. Step 5: Solve for x
    x = 1,642,228,614.14/41,989.92
  6. Step 6: Final answer
    x = 39,110.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.