Home / 29,110.52-40,170.12-17,174.36

Finding the Fourth Proportional to 29,110.52, 40,170.12 and 17,174.36

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Solution

The fourth proportional to 29,110.52, 40,170.12 and 17,174.36 is: 23,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.52 : 40,170.12 = 17,174.36 : x
  2. Step 2: Convert to fraction form
    29,110.52/40,170.12 = 17,174.36/x
  3. Step 3: Cross multiply
    29,110.52x = 40,170.12 × 17,174.36
  4. Step 4: Simplify right side
    29,110.52x = 689,896,102.12
  5. Step 5: Solve for x
    x = 689,896,102.12/29,110.52
  6. Step 6: Final answer
    x = 23,699.20

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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.