Home / 51,989.20-77,983.80-22,440.40

Finding the Fourth Proportional to 51,989.20, 77,983.80 and 22,440.40

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Solution

The fourth proportional to 51,989.20, 77,983.80 and 22,440.40 is: 33,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,989.20 : 77,983.80 = 22,440.40 : x
  2. Step 2: Convert to fraction form
    51,989.20/77,983.80 = 22,440.40/x
  3. Step 3: Cross multiply
    51,989.20x = 77,983.80 × 22,440.40
  4. Step 4: Simplify right side
    51,989.20x = 1,749,987,665.52
  5. Step 5: Solve for x
    x = 1,749,987,665.52/51,989.20
  6. Step 6: Final answer
    x = 33,660.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.