Home / 31,362.66-43,279.44-17,215.14

Finding the Fourth Proportional to 31,362.66, 43,279.44 and 17,215.14

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Solution

The fourth proportional to 31,362.66, 43,279.44 and 17,215.14 is: 23,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,362.66 : 43,279.44 = 17,215.14 : x
  2. Step 2: Convert to fraction form
    31,362.66/43,279.44 = 17,215.14/x
  3. Step 3: Cross multiply
    31,362.66x = 43,279.44 × 17,215.14
  4. Step 4: Simplify right side
    31,362.66x = 745,061,618.72
  5. Step 5: Solve for x
    x = 745,061,618.72/31,362.66
  6. Step 6: Final answer
    x = 23,756.33

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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.