Home / 38,398.82-57,605.62-13,445.96

Finding the Fourth Proportional to 38,398.82, 57,605.62 and 13,445.96

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Solution

The fourth proportional to 38,398.82, 57,605.62 and 13,445.96 is: 20,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.82 : 57,605.62 = 13,445.96 : x
  2. Step 2: Convert to fraction form
    38,398.82/57,605.62 = 13,445.96/x
  3. Step 3: Cross multiply
    38,398.82x = 57,605.62 × 13,445.96
  4. Step 4: Simplify right side
    38,398.82x = 774,562,862.30
  5. Step 5: Solve for x
    x = 774,562,862.30/38,398.82
  6. Step 6: Final answer
    x = 20,171.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.