Home / 37,328.76-51,513.68-20,561.76

Finding the Fourth Proportional to 37,328.76, 51,513.68 and 20,561.76

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Solution

The fourth proportional to 37,328.76, 51,513.68 and 20,561.76 is: 28,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,328.76 : 51,513.68 = 20,561.76 : x
  2. Step 2: Convert to fraction form
    37,328.76/51,513.68 = 20,561.76/x
  3. Step 3: Cross multiply
    37,328.76x = 51,513.68 × 20,561.76
  4. Step 4: Simplify right side
    37,328.76x = 1,059,211,924.88
  5. Step 5: Solve for x
    x = 1,059,211,924.88/37,328.76
  6. Step 6: Final answer
    x = 28,375.22

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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.