Home / 38,181.03-57,293.40-21,328.17

Finding the Fourth Proportional to 38,181.03, 57,293.40 and 21,328.17

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Solution

The fourth proportional to 38,181.03, 57,293.40 and 21,328.17 is: 32,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.03 : 57,293.40 = 21,328.17 : x
  2. Step 2: Convert to fraction form
    38,181.03/57,293.40 = 21,328.17/x
  3. Step 3: Cross multiply
    38,181.03x = 57,293.40 × 21,328.17
  4. Step 4: Simplify right side
    38,181.03x = 1,221,963,375.08
  5. Step 5: Solve for x
    x = 1,221,963,375.08/38,181.03
  6. Step 6: Final answer
    x = 32,004.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.