Home / 37,275.60-51,439.20-20,508.56

Finding the Fourth Proportional to 37,275.60, 51,439.20 and 20,508.56

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Solution

The fourth proportional to 37,275.60, 51,439.20 and 20,508.56 is: 28,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,275.60 : 51,439.20 = 20,508.56 : x
  2. Step 2: Convert to fraction form
    37,275.60/51,439.20 = 20,508.56/x
  3. Step 3: Cross multiply
    37,275.60x = 51,439.20 × 20,508.56
  4. Step 4: Simplify right side
    37,275.60x = 1,054,943,919.55
  5. Step 5: Solve for x
    x = 1,054,943,919.55/37,275.60
  6. Step 6: Final answer
    x = 28,301.19

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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.