Home / 31,596.13-43,583.20-18,841.15

Finding the Fourth Proportional to 31,596.13, 43,583.20 and 18,841.15

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Solution

The fourth proportional to 31,596.13, 43,583.20 and 18,841.15 is: 25,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,596.13 : 43,583.20 = 18,841.15 : x
  2. Step 2: Convert to fraction form
    31,596.13/43,583.20 = 18,841.15/x
  3. Step 3: Cross multiply
    31,596.13x = 43,583.20 × 18,841.15
  4. Step 4: Simplify right side
    31,596.13x = 821,157,608.68
  5. Step 5: Solve for x
    x = 821,157,608.68/31,596.13
  6. Step 6: Final answer
    x = 25,989.18

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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.