Home / 37,520.01-51,775.68-20,520.95

Finding the Fourth Proportional to 37,520.01, 51,775.68 and 20,520.95

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Solution

The fourth proportional to 37,520.01, 51,775.68 and 20,520.95 is: 28,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,520.01 : 51,775.68 = 20,520.95 : x
  2. Step 2: Convert to fraction form
    37,520.01/51,775.68 = 20,520.95/x
  3. Step 3: Cross multiply
    37,520.01x = 51,775.68 × 20,520.95
  4. Step 4: Simplify right side
    37,520.01x = 1,062,485,881.62
  5. Step 5: Solve for x
    x = 1,062,485,881.62/37,520.01
  6. Step 6: Final answer
    x = 28,317.85

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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.