Home / 31,223.38-43,083.36-17,795.20

Finding the Fourth Proportional to 31,223.38, 43,083.36 and 17,795.20

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Solution

The fourth proportional to 31,223.38, 43,083.36 and 17,795.20 is: 24,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,223.38 : 43,083.36 = 17,795.20 : x
  2. Step 2: Convert to fraction form
    31,223.38/43,083.36 = 17,795.20/x
  3. Step 3: Cross multiply
    31,223.38x = 43,083.36 × 17,795.20
  4. Step 4: Simplify right side
    31,223.38x = 766,677,007.87
  5. Step 5: Solve for x
    x = 766,677,007.87/31,223.38
  6. Step 6: Final answer
    x = 24,554.58

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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.