Home / 31,645.20-43,702.56-22,197.36

Finding the Fourth Proportional to 31,645.20, 43,702.56 and 22,197.36

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Solution

The fourth proportional to 31,645.20, 43,702.56 and 22,197.36 is: 30,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,645.20 : 43,702.56 = 22,197.36 : x
  2. Step 2: Convert to fraction form
    31,645.20/43,702.56 = 22,197.36/x
  3. Step 3: Cross multiply
    31,645.20x = 43,702.56 × 22,197.36
  4. Step 4: Simplify right side
    31,645.20x = 970,081,457.24
  5. Step 5: Solve for x
    x = 970,081,457.24/31,645.20
  6. Step 6: Final answer
    x = 30,654.93

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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.