Home / 39,436.72-54,418.80-23,518

Finding the Fourth Proportional to 39,436.72, 54,418.80 and 23,518

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Solution

The fourth proportional to 39,436.72, 54,418.80 and 23,518 is: 32,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,436.72 : 54,418.80 = 23,518 : x
  2. Step 2: Convert to fraction form
    39,436.72/54,418.80 = 23,518/x
  3. Step 3: Cross multiply
    39,436.72x = 54,418.80 × 23,518
  4. Step 4: Simplify right side
    39,436.72x = 1,279,821,338.40
  5. Step 5: Solve for x
    x = 1,279,821,338.40/39,436.72
  6. Step 6: Final answer
    x = 32,452.53

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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.