Home / 31,281.37-43,171.40-17,854.66

Finding the Fourth Proportional to 31,281.37, 43,171.40 and 17,854.66

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Solution

The fourth proportional to 31,281.37, 43,171.40 and 17,854.66 is: 24,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.37 : 43,171.40 = 17,854.66 : x
  2. Step 2: Convert to fraction form
    31,281.37/43,171.40 = 17,854.66/x
  3. Step 3: Cross multiply
    31,281.37x = 43,171.40 × 17,854.66
  4. Step 4: Simplify right side
    31,281.37x = 770,810,668.72
  5. Step 5: Solve for x
    x = 770,810,668.72/31,281.37
  6. Step 6: Final answer
    x = 24,641.21

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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.