Home / 39,852.29-54,996.17-21,947.24

Finding the Fourth Proportional to 39,852.29, 54,996.17 and 21,947.24

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Solution

The fourth proportional to 39,852.29, 54,996.17 and 21,947.24 is: 30,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,852.29 : 54,996.17 = 21,947.24 : x
  2. Step 2: Convert to fraction form
    39,852.29/54,996.17 = 21,947.24/x
  3. Step 3: Cross multiply
    39,852.29x = 54,996.17 × 21,947.24
  4. Step 4: Simplify right side
    39,852.29x = 1,207,014,142.07
  5. Step 5: Solve for x
    x = 1,207,014,142.07/39,852.29
  6. Step 6: Final answer
    x = 30,287.20

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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.