Home / 40,108.14-55,348.56-22,202.76

Finding the Fourth Proportional to 40,108.14, 55,348.56 and 22,202.76

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Solution

The fourth proportional to 40,108.14, 55,348.56 and 22,202.76 is: 30,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,108.14 : 55,348.56 = 22,202.76 : x
  2. Step 2: Convert to fraction form
    40,108.14/55,348.56 = 22,202.76/x
  3. Step 3: Cross multiply
    40,108.14x = 55,348.56 × 22,202.76
  4. Step 4: Simplify right side
    40,108.14x = 1,228,890,794.03
  5. Step 5: Solve for x
    x = 1,228,890,794.03/40,108.14
  6. Step 6: Final answer
    x = 30,639.44

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Half scale
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Double scale
Find fourth proportional to 40,109.14, 55,349.94 and 22,203.76
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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.