Home / 38,172.03-52,673.03-21,171.97

Finding the Fourth Proportional to 38,172.03, 52,673.03 and 21,171.97

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Solution

The fourth proportional to 38,172.03, 52,673.03 and 21,171.97 is: 29,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,172.03 : 52,673.03 = 21,171.97 : x
  2. Step 2: Convert to fraction form
    38,172.03/52,673.03 = 21,171.97/x
  3. Step 3: Cross multiply
    38,172.03x = 52,673.03 × 21,171.97
  4. Step 4: Simplify right side
    38,172.03x = 1,115,191,810.97
  5. Step 5: Solve for x
    x = 1,115,191,810.97/38,172.03
  6. Step 6: Final answer
    x = 29,214.89

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1.5x scale

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.