Home / 39,359.44-54,316.59-21,454.44

Finding the Fourth Proportional to 39,359.44, 54,316.59 and 21,454.44

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Solution

The fourth proportional to 39,359.44, 54,316.59 and 21,454.44 is: 29,607.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,359.44 : 54,316.59 = 21,454.44 : x
  2. Step 2: Convert to fraction form
    39,359.44/54,316.59 = 21,454.44/x
  3. Step 3: Cross multiply
    39,359.44x = 54,316.59 × 21,454.44
  4. Step 4: Simplify right side
    39,359.44x = 1,165,332,021.16
  5. Step 5: Solve for x
    x = 1,165,332,021.16/39,359.44
  6. Step 6: Final answer
    x = 29,607.43

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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.