Home / 39,833.35-54,971.60-21,930.02

Finding the Fourth Proportional to 39,833.35, 54,971.60 and 21,930.02

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Solution

The fourth proportional to 39,833.35, 54,971.60 and 21,930.02 is: 30,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,833.35 : 54,971.60 = 21,930.02 : x
  2. Step 2: Convert to fraction form
    39,833.35/54,971.60 = 21,930.02/x
  3. Step 3: Cross multiply
    39,833.35x = 54,971.60 × 21,930.02
  4. Step 4: Simplify right side
    39,833.35x = 1,205,528,418.28
  5. Step 5: Solve for x
    x = 1,205,528,418.28/39,833.35
  6. Step 6: Final answer
    x = 30,264.30

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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.