Home / 31,636.14-43,657.68-17,488.89

Finding the Fourth Proportional to 31,636.14, 43,657.68 and 17,488.89

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Solution

The fourth proportional to 31,636.14, 43,657.68 and 17,488.89 is: 24,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,636.14 : 43,657.68 = 17,488.89 : x
  2. Step 2: Convert to fraction form
    31,636.14/43,657.68 = 17,488.89/x
  3. Step 3: Cross multiply
    31,636.14x = 43,657.68 × 17,488.89
  4. Step 4: Simplify right side
    31,636.14x = 763,524,363.18
  5. Step 5: Solve for x
    x = 763,524,363.18/31,636.14
  6. Step 6: Final answer
    x = 24,134.56

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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.