Home / 31,362.39-43,282.76-17,217.77

Finding the Fourth Proportional to 31,362.39, 43,282.76 and 17,217.77

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Solution

The fourth proportional to 31,362.39, 43,282.76 and 17,217.77 is: 23,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,362.39 : 43,282.76 = 17,217.77 : x
  2. Step 2: Convert to fraction form
    31,362.39/43,282.76 = 17,217.77/x
  3. Step 3: Cross multiply
    31,362.39x = 43,282.76 × 17,217.77
  4. Step 4: Simplify right side
    31,362.39x = 745,232,304.14
  5. Step 5: Solve for x
    x = 745,232,304.14/31,362.39
  6. Step 6: Final answer
    x = 23,761.97

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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.