Home / 31,536.52-43,511.70-18,107.08

Finding the Fourth Proportional to 31,536.52, 43,511.70 and 18,107.08

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Solution

The fourth proportional to 31,536.52, 43,511.70 and 18,107.08 is: 24,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.52 : 43,511.70 = 18,107.08 : x
  2. Step 2: Convert to fraction form
    31,536.52/43,511.70 = 18,107.08/x
  3. Step 3: Cross multiply
    31,536.52x = 43,511.70 × 18,107.08
  4. Step 4: Simplify right side
    31,536.52x = 787,869,832.84
  5. Step 5: Solve for x
    x = 787,869,832.84/31,536.52
  6. Step 6: Final answer
    x = 24,982.78

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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.