Home / 40,142.90-60,233.03-17,971.28

Finding the Fourth Proportional to 40,142.90, 60,233.03 and 17,971.28

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Solution

The fourth proportional to 40,142.90, 60,233.03 and 17,971.28 is: 26,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,142.90 : 60,233.03 = 17,971.28 : x
  2. Step 2: Convert to fraction form
    40,142.90/60,233.03 = 17,971.28/x
  3. Step 3: Cross multiply
    40,142.90x = 60,233.03 × 17,971.28
  4. Step 4: Simplify right side
    40,142.90x = 1,082,464,256.36
  5. Step 5: Solve for x
    x = 1,082,464,256.36/40,142.90
  6. Step 6: Final answer
    x = 26,965.28

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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.