Home / 31,506.14-43,479.59-18,080.12

Finding the Fourth Proportional to 31,506.14, 43,479.59 and 18,080.12

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Solution

The fourth proportional to 31,506.14, 43,479.59 and 18,080.12 is: 24,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.14 : 43,479.59 = 18,080.12 : x
  2. Step 2: Convert to fraction form
    31,506.14/43,479.59 = 18,080.12/x
  3. Step 3: Cross multiply
    31,506.14x = 43,479.59 × 18,080.12
  4. Step 4: Simplify right side
    31,506.14x = 786,115,896.95
  5. Step 5: Solve for x
    x = 786,115,896.95/31,506.14
  6. Step 6: Final answer
    x = 24,951.20

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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.