Home / 37,385.76-51,592.10-20,618.76

Finding the Fourth Proportional to 37,385.76, 51,592.10 and 20,618.76

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Solution

The fourth proportional to 37,385.76, 51,592.10 and 20,618.76 is: 28,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,385.76 : 51,592.10 = 20,618.76 : x
  2. Step 2: Convert to fraction form
    37,385.76/51,592.10 = 20,618.76/x
  3. Step 3: Cross multiply
    37,385.76x = 51,592.10 × 20,618.76
  4. Step 4: Simplify right side
    37,385.76x = 1,063,765,127.80
  5. Step 5: Solve for x
    x = 1,063,765,127.80/37,385.76
  6. Step 6: Final answer
    x = 28,453.75

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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.