Home / 37,616.06-51,909.02-20,619.92

Finding the Fourth Proportional to 37,616.06, 51,909.02 and 20,619.92

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Solution

The fourth proportional to 37,616.06, 51,909.02 and 20,619.92 is: 28,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,616.06 : 51,909.02 = 20,619.92 : x
  2. Step 2: Convert to fraction form
    37,616.06/51,909.02 = 20,619.92/x
  3. Step 3: Cross multiply
    37,616.06x = 51,909.02 × 20,619.92
  4. Step 4: Simplify right side
    37,616.06x = 1,070,359,839.68
  5. Step 5: Solve for x
    x = 1,070,359,839.68/37,616.06
  6. Step 6: Final answer
    x = 28,454.86

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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.