Home / 29,087.86-40,131.16-17,148.66

Finding the Fourth Proportional to 29,087.86, 40,131.16 and 17,148.66

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Solution

The fourth proportional to 29,087.86, 40,131.16 and 17,148.66 is: 23,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,087.86 : 40,131.16 = 17,148.66 : x
  2. Step 2: Convert to fraction form
    29,087.86/40,131.16 = 17,148.66/x
  3. Step 3: Cross multiply
    29,087.86x = 40,131.16 × 17,148.66
  4. Step 4: Simplify right side
    29,087.86x = 688,195,618.25
  5. Step 5: Solve for x
    x = 688,195,618.25/29,087.86
  6. Step 6: Final answer
    x = 23,659.20

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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.