Home / 37,451.28-51,685.98-20,687.52

Finding the Fourth Proportional to 37,451.28, 51,685.98 and 20,687.52

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Solution

The fourth proportional to 37,451.28, 51,685.98 and 20,687.52 is: 28,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,451.28 : 51,685.98 = 20,687.52 : x
  2. Step 2: Convert to fraction form
    37,451.28/51,685.98 = 20,687.52/x
  3. Step 3: Cross multiply
    37,451.28x = 51,685.98 × 20,687.52
  4. Step 4: Simplify right side
    37,451.28x = 1,069,254,744.97
  5. Step 5: Solve for x
    x = 1,069,254,744.97/37,451.28
  6. Step 6: Final answer
    x = 28,550.55

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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.