Home / 31,540.20-43,503.66-25,572.12

Finding the Fourth Proportional to 31,540.20, 43,503.66 and 25,572.12

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Solution

The fourth proportional to 31,540.20, 43,503.66 and 25,572.12 is: 35,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.20 : 43,503.66 = 25,572.12 : x
  2. Step 2: Convert to fraction form
    31,540.20/43,503.66 = 25,572.12/x
  3. Step 3: Cross multiply
    31,540.20x = 43,503.66 × 25,572.12
  4. Step 4: Simplify right side
    31,540.20x = 1,112,480,813.96
  5. Step 5: Solve for x
    x = 1,112,480,813.96/31,540.20
  6. Step 6: Final answer
    x = 35,271.84

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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.