Home / 31,404.12-43,338.48-17,257.32

Finding the Fourth Proportional to 31,404.12, 43,338.48 and 17,257.32

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Solution

The fourth proportional to 31,404.12, 43,338.48 and 17,257.32 is: 23,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,404.12 : 43,338.48 = 17,257.32 : x
  2. Step 2: Convert to fraction form
    31,404.12/43,338.48 = 17,257.32/x
  3. Step 3: Cross multiply
    31,404.12x = 43,338.48 × 17,257.32
  4. Step 4: Simplify right side
    31,404.12x = 747,906,017.67
  5. Step 5: Solve for x
    x = 747,906,017.67/31,404.12
  6. Step 6: Final answer
    x = 23,815.54

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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.