Home / 37,276.20-51,440.76-20,280.96

Finding the Fourth Proportional to 37,276.20, 51,440.76 and 20,280.96

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Solution

The fourth proportional to 37,276.20, 51,440.76 and 20,280.96 is: 27,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,276.20 : 51,440.76 = 20,280.96 : x
  2. Step 2: Convert to fraction form
    37,276.20/51,440.76 = 20,280.96/x
  3. Step 3: Cross multiply
    37,276.20x = 51,440.76 × 20,280.96
  4. Step 4: Simplify right side
    37,276.20x = 1,043,267,995.93
  5. Step 5: Solve for x
    x = 1,043,267,995.93/37,276.20
  6. Step 6: Final answer
    x = 27,987.51

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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.