Home / 31,587.30-43,575.57-18,833.22

Finding the Fourth Proportional to 31,587.30, 43,575.57 and 18,833.22

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Solution

The fourth proportional to 31,587.30, 43,575.57 and 18,833.22 is: 25,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587.30 : 43,575.57 = 18,833.22 : x
  2. Step 2: Convert to fraction form
    31,587.30/43,575.57 = 18,833.22/x
  3. Step 3: Cross multiply
    31,587.30x = 43,575.57 × 18,833.22
  4. Step 4: Simplify right side
    31,587.30x = 820,668,296.44
  5. Step 5: Solve for x
    x = 820,668,296.44/31,587.30
  6. Step 6: Final answer
    x = 25,980.96

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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.