Home / 39,393.34-54,362.97-21,488.73

Finding the Fourth Proportional to 39,393.34, 54,362.97 and 21,488.73

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Solution

The fourth proportional to 39,393.34, 54,362.97 and 21,488.73 is: 29,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393.34 : 54,362.97 = 21,488.73 : x
  2. Step 2: Convert to fraction form
    39,393.34/54,362.97 = 21,488.73/x
  3. Step 3: Cross multiply
    39,393.34x = 54,362.97 × 21,488.73
  4. Step 4: Simplify right side
    39,393.34x = 1,168,191,184.33
  5. Step 5: Solve for x
    x = 1,168,191,184.33/39,393.34
  6. Step 6: Final answer
    x = 29,654.54

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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.