Home / 40,954.23-61,431.30-11,372.05

Finding the Fourth Proportional to 40,954.23, 61,431.30 and 11,372.05

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Solution

The fourth proportional to 40,954.23, 61,431.30 and 11,372.05 is: 17,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,954.23 : 61,431.30 = 11,372.05 : x
  2. Step 2: Convert to fraction form
    40,954.23/61,431.30 = 11,372.05/x
  3. Step 3: Cross multiply
    40,954.23x = 61,431.30 × 11,372.05
  4. Step 4: Simplify right side
    40,954.23x = 698,599,815.17
  5. Step 5: Solve for x
    x = 698,599,815.17/40,954.23
  6. Step 6: Final answer
    x = 17,058.06

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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.