Home / 31,788.57-43,869.14-17,642.33

Finding the Fourth Proportional to 31,788.57, 43,869.14 and 17,642.33

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Solution

The fourth proportional to 31,788.57, 43,869.14 and 17,642.33 is: 24,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788.57 : 43,869.14 = 17,642.33 : x
  2. Step 2: Convert to fraction form
    31,788.57/43,869.14 = 17,642.33/x
  3. Step 3: Cross multiply
    31,788.57x = 43,869.14 × 17,642.33
  4. Step 4: Simplify right side
    31,788.57x = 773,953,537.14
  5. Step 5: Solve for x
    x = 773,953,537.14/31,788.57
  6. Step 6: Final answer
    x = 24,346.91

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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.