Home / 29,177.44-40,272.24-20,001.76

Finding the Fourth Proportional to 29,177.44, 40,272.24 and 20,001.76

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Solution

The fourth proportional to 29,177.44, 40,272.24 and 20,001.76 is: 27,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,177.44 : 40,272.24 = 20,001.76 : x
  2. Step 2: Convert to fraction form
    29,177.44/40,272.24 = 20,001.76/x
  3. Step 3: Cross multiply
    29,177.44x = 40,272.24 × 20,001.76
  4. Step 4: Simplify right side
    29,177.44x = 805,515,679.14
  5. Step 5: Solve for x
    x = 805,515,679.14/29,177.44
  6. Step 6: Final answer
    x = 27,607.48

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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.