Home / 31,186.08-43,036.92-17,040.24

Finding the Fourth Proportional to 31,186.08, 43,036.92 and 17,040.24

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Solution

The fourth proportional to 31,186.08, 43,036.92 and 17,040.24 is: 23,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.08 : 43,036.92 = 17,040.24 : x
  2. Step 2: Convert to fraction form
    31,186.08/43,036.92 = 17,040.24/x
  3. Step 3: Cross multiply
    31,186.08x = 43,036.92 × 17,040.24
  4. Step 4: Simplify right side
    31,186.08x = 733,359,445.66
  5. Step 5: Solve for x
    x = 733,359,445.66/31,186.08
  6. Step 6: Final answer
    x = 23,515.60

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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.