Home / 31,481.77-43,452.24-19,554.13

Finding the Fourth Proportional to 31,481.77, 43,452.24 and 19,554.13

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Solution

The fourth proportional to 31,481.77, 43,452.24 and 19,554.13 is: 26,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.77 : 43,452.24 = 19,554.13 : x
  2. Step 2: Convert to fraction form
    31,481.77/43,452.24 = 19,554.13/x
  3. Step 3: Cross multiply
    31,481.77x = 43,452.24 × 19,554.13
  4. Step 4: Simplify right side
    31,481.77x = 849,670,749.75
  5. Step 5: Solve for x
    x = 849,670,749.75/31,481.77
  6. Step 6: Final answer
    x = 26,989.29

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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.