Home / 39,450.99-54,442.80-21,546.53

Finding the Fourth Proportional to 39,450.99, 54,442.80 and 21,546.53

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Solution

The fourth proportional to 39,450.99, 54,442.80 and 21,546.53 is: 29,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450.99 : 54,442.80 = 21,546.53 : x
  2. Step 2: Convert to fraction form
    39,450.99/54,442.80 = 21,546.53/x
  3. Step 3: Cross multiply
    39,450.99x = 54,442.80 × 21,546.53
  4. Step 4: Simplify right side
    39,450.99x = 1,173,053,151.27
  5. Step 5: Solve for x
    x = 1,173,053,151.27/39,450.99
  6. Step 6: Final answer
    x = 29,734.44

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Double scale
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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.