Home / 39,617.52-54,672.26-21,713.19

Finding the Fourth Proportional to 39,617.52, 54,672.26 and 21,713.19

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Solution

The fourth proportional to 39,617.52, 54,672.26 and 21,713.19 is: 29,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,617.52 : 54,672.26 = 21,713.19 : x
  2. Step 2: Convert to fraction form
    39,617.52/54,672.26 = 21,713.19/x
  3. Step 3: Cross multiply
    39,617.52x = 54,672.26 × 21,713.19
  4. Step 4: Simplify right side
    39,617.52x = 1,187,109,169.11
  5. Step 5: Solve for x
    x = 1,187,109,169.11/39,617.52
  6. Step 6: Final answer
    x = 29,964.25

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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.