Home / 37,221.75-51,366.02-20,454.75

Finding the Fourth Proportional to 37,221.75, 51,366.02 and 20,454.75

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Solution

The fourth proportional to 37,221.75, 51,366.02 and 20,454.75 is: 28,227.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,221.75 : 51,366.02 = 20,454.75 : x
  2. Step 2: Convert to fraction form
    37,221.75/51,366.02 = 20,454.75/x
  3. Step 3: Cross multiply
    37,221.75x = 51,366.02 × 20,454.75
  4. Step 4: Simplify right side
    37,221.75x = 1,050,678,995.32
  5. Step 5: Solve for x
    x = 1,050,678,995.32/37,221.75
  6. Step 6: Final answer
    x = 28,227.56

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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.