Home / 39,354.01-54,309.68-21,450.17

Finding the Fourth Proportional to 39,354.01, 54,309.68 and 21,450.17

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Solution

The fourth proportional to 39,354.01, 54,309.68 and 21,450.17 is: 29,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,354.01 : 54,309.68 = 21,450.17 : x
  2. Step 2: Convert to fraction form
    39,354.01/54,309.68 = 21,450.17/x
  3. Step 3: Cross multiply
    39,354.01x = 54,309.68 × 21,450.17
  4. Step 4: Simplify right side
    39,354.01x = 1,164,952,058.05
  5. Step 5: Solve for x
    x = 1,164,952,058.05/39,354.01
  6. Step 6: Final answer
    x = 29,601.87

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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.