Home / 29,091.88-40,155.78-17,917.48

Finding the Fourth Proportional to 29,091.88, 40,155.78 and 17,917.48

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Solution

The fourth proportional to 29,091.88, 40,155.78 and 17,917.48 is: 24,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,091.88 : 40,155.78 = 17,917.48 : x
  2. Step 2: Convert to fraction form
    29,091.88/40,155.78 = 17,917.48/x
  3. Step 3: Cross multiply
    29,091.88x = 40,155.78 × 17,917.48
  4. Step 4: Simplify right side
    29,091.88x = 719,490,385.03
  5. Step 5: Solve for x
    x = 719,490,385.03/29,091.88
  6. Step 6: Final answer
    x = 24,731.66

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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.