Home / 31,166.24-43,010.16-17,018.96

Finding the Fourth Proportional to 31,166.24, 43,010.16 and 17,018.96

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Solution

The fourth proportional to 31,166.24, 43,010.16 and 17,018.96 is: 23,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,166.24 : 43,010.16 = 17,018.96 : x
  2. Step 2: Convert to fraction form
    31,166.24/43,010.16 = 17,018.96/x
  3. Step 3: Cross multiply
    31,166.24x = 43,010.16 × 17,018.96
  4. Step 4: Simplify right side
    31,166.24x = 731,988,192.63
  5. Step 5: Solve for x
    x = 731,988,192.63/31,166.24
  6. Step 6: Final answer
    x = 23,486.57

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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.