Home / 31,293.26-43,184.64-17,868.72

Finding the Fourth Proportional to 31,293.26, 43,184.64 and 17,868.72

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Solution

The fourth proportional to 31,293.26, 43,184.64 and 17,868.72 is: 24,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.26 : 43,184.64 = 17,868.72 : x
  2. Step 2: Convert to fraction form
    31,293.26/43,184.64 = 17,868.72/x
  3. Step 3: Cross multiply
    31,293.26x = 43,184.64 × 17,868.72
  4. Step 4: Simplify right side
    31,293.26x = 771,654,240.46
  5. Step 5: Solve for x
    x = 771,654,240.46/31,293.26
  6. Step 6: Final answer
    x = 24,658.80

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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.