Home / 31,293.06-43,186.26-17,868.53

Finding the Fourth Proportional to 31,293.06, 43,186.26 and 17,868.53

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Solution

The fourth proportional to 31,293.06, 43,186.26 and 17,868.53 is: 24,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.06 : 43,186.26 = 17,868.53 : x
  2. Step 2: Convert to fraction form
    31,293.06/43,186.26 = 17,868.53/x
  3. Step 3: Cross multiply
    31,293.06x = 43,186.26 × 17,868.53
  4. Step 4: Simplify right side
    31,293.06x = 771,674,766.47
  5. Step 5: Solve for x
    x = 771,674,766.47/31,293.06
  6. Step 6: Final answer
    x = 24,659.61

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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.