Home / 39,554.63-54,585.19-21,649.48

Finding the Fourth Proportional to 39,554.63, 54,585.19 and 21,649.48

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Solution

The fourth proportional to 39,554.63, 54,585.19 and 21,649.48 is: 29,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,554.63 : 54,585.19 = 21,649.48 : x
  2. Step 2: Convert to fraction form
    39,554.63/54,585.19 = 21,649.48/x
  3. Step 3: Cross multiply
    39,554.63x = 54,585.19 × 21,649.48
  4. Step 4: Simplify right side
    39,554.63x = 1,181,740,869.80
  5. Step 5: Solve for x
    x = 1,181,740,869.80/39,554.63
  6. Step 6: Final answer
    x = 29,876.17

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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.