Home / 29,129.36-40,197.16-17,193.20

Finding the Fourth Proportional to 29,129.36, 40,197.16 and 17,193.20

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Solution

The fourth proportional to 29,129.36, 40,197.16 and 17,193.20 is: 23,725.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.36 : 40,197.16 = 17,193.20 : x
  2. Step 2: Convert to fraction form
    29,129.36/40,197.16 = 17,193.20/x
  3. Step 3: Cross multiply
    29,129.36x = 40,197.16 × 17,193.20
  4. Step 4: Simplify right side
    29,129.36x = 691,117,811.31
  5. Step 5: Solve for x
    x = 691,117,811.31/29,129.36
  6. Step 6: Final answer
    x = 23,725.82

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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.