Home / 60,964.38-91,427.97-21,512.28

Finding the Fourth Proportional to 60,964.38, 91,427.97 and 21,512.28

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Solution

The fourth proportional to 60,964.38, 91,427.97 and 21,512.28 is: 32,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,964.38 : 91,427.97 = 21,512.28 : x
  2. Step 2: Convert to fraction form
    60,964.38/91,427.97 = 21,512.28/x
  3. Step 3: Cross multiply
    60,964.38x = 91,427.97 × 21,512.28
  4. Step 4: Simplify right side
    60,964.38x = 1,966,824,090.47
  5. Step 5: Solve for x
    x = 1,966,824,090.47/60,964.38
  6. Step 6: Final answer
    x = 32,261.86

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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.