Home / 51,983.20-77,974.80-22,434.40

Finding the Fourth Proportional to 51,983.20, 77,974.80 and 22,434.40

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Solution

The fourth proportional to 51,983.20, 77,974.80 and 22,434.40 is: 33,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,983.20 : 77,974.80 = 22,434.40 : x
  2. Step 2: Convert to fraction form
    51,983.20/77,974.80 = 22,434.40/x
  3. Step 3: Cross multiply
    51,983.20x = 77,974.80 × 22,434.40
  4. Step 4: Simplify right side
    51,983.20x = 1,749,317,853.12
  5. Step 5: Solve for x
    x = 1,749,317,853.12/51,983.20
  6. Step 6: Final answer
    x = 33,651.60

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Double scale
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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.