Home / 41,300.28-57,061.26-28,780.92

Finding the Fourth Proportional to 41,300.28, 57,061.26 and 28,780.92

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Solution

The fourth proportional to 41,300.28, 57,061.26 and 28,780.92 is: 39,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,300.28 : 57,061.26 = 28,780.92 : x
  2. Step 2: Convert to fraction form
    41,300.28/57,061.26 = 28,780.92/x
  3. Step 3: Cross multiply
    41,300.28x = 57,061.26 × 28,780.92
  4. Step 4: Simplify right side
    41,300.28x = 1,642,275,559.16
  5. Step 5: Solve for x
    x = 1,642,275,559.16/41,300.28
  6. Step 6: Final answer
    x = 39,764.27

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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.