Home / 39,862.28-55,010.01-21,957.34

Finding the Fourth Proportional to 39,862.28, 55,010.01 and 21,957.34

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Solution

The fourth proportional to 39,862.28, 55,010.01 and 21,957.34 is: 30,301.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,862.28 : 55,010.01 = 21,957.34 : x
  2. Step 2: Convert to fraction form
    39,862.28/55,010.01 = 21,957.34/x
  3. Step 3: Cross multiply
    39,862.28x = 55,010.01 × 21,957.34
  4. Step 4: Simplify right side
    39,862.28x = 1,207,873,492.97
  5. Step 5: Solve for x
    x = 1,207,873,492.97/39,862.28
  6. Step 6: Final answer
    x = 30,301.16

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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.