Home / 31,166.72-43,009.84-17,019.56

Finding the Fourth Proportional to 31,166.72, 43,009.84 and 17,019.56

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Solution

The fourth proportional to 31,166.72, 43,009.84 and 17,019.56 is: 23,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,166.72 : 43,009.84 = 17,019.56 : x
  2. Step 2: Convert to fraction form
    31,166.72/43,009.84 = 17,019.56/x
  3. Step 3: Cross multiply
    31,166.72x = 43,009.84 × 17,019.56
  4. Step 4: Simplify right side
    31,166.72x = 732,008,552.47
  5. Step 5: Solve for x
    x = 732,008,552.47/31,166.72
  6. Step 6: Final answer
    x = 23,486.87

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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.