Home / 40,101.28-55,340.40-25,000.04

Finding the Fourth Proportional to 40,101.28, 55,340.40 and 25,000.04

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Solution

The fourth proportional to 40,101.28, 55,340.40 and 25,000.04 is: 34,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,101.28 : 55,340.40 = 25,000.04 : x
  2. Step 2: Convert to fraction form
    40,101.28/55,340.40 = 25,000.04/x
  3. Step 3: Cross multiply
    40,101.28x = 55,340.40 × 25,000.04
  4. Step 4: Simplify right side
    40,101.28x = 1,383,512,213.62
  5. Step 5: Solve for x
    x = 1,383,512,213.62/40,101.28
  6. Step 6: Final answer
    x = 34,500.45

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Double scale
Find fourth proportional to 40,102.28, 55,341.78 and 25,001.04
Similar ratio
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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.