Home / 31,512.36-43,488.36-18,084.18

Finding the Fourth Proportional to 31,512.36, 43,488.36 and 18,084.18

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Solution

The fourth proportional to 31,512.36, 43,488.36 and 18,084.18 is: 24,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.36 : 43,488.36 = 18,084.18 : x
  2. Step 2: Convert to fraction form
    31,512.36/43,488.36 = 18,084.18/x
  3. Step 3: Cross multiply
    31,512.36x = 43,488.36 × 18,084.18
  4. Step 4: Simplify right side
    31,512.36x = 786,451,330.14
  5. Step 5: Solve for x
    x = 786,451,330.14/31,512.36
  6. Step 6: Final answer
    x = 24,956.92

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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.