Home / 39,460-54,456.96-22,694.08

Finding the Fourth Proportional to 39,460, 54,456.96 and 22,694.08

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Solution

The fourth proportional to 39,460, 54,456.96 and 22,694.08 is: 31,319.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,460 : 54,456.96 = 22,694.08 : x
  2. Step 2: Convert to fraction form
    39,460/54,456.96 = 22,694.08/x
  3. Step 3: Cross multiply
    39,460x = 54,456.96 × 22,694.08
  4. Step 4: Simplify right side
    39,460x = 1,235,850,606.80
  5. Step 5: Solve for x
    x = 1,235,850,606.80/39,460
  6. Step 6: Final answer
    x = 31,319.07

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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.