Home / 54,301.77-81,427.10-21,037.41

Finding the Fourth Proportional to 54,301.77, 81,427.10 and 21,037.41

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Solution

The fourth proportional to 54,301.77, 81,427.10 and 21,037.41 is: 31,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.77 : 81,427.10 = 21,037.41 : x
  2. Step 2: Convert to fraction form
    54,301.77/81,427.10 = 21,037.41/x
  3. Step 3: Cross multiply
    54,301.77x = 81,427.10 × 21,037.41
  4. Step 4: Simplify right side
    54,301.77x = 1,713,015,182.62
  5. Step 5: Solve for x
    x = 1,713,015,182.62/54,301.77
  6. Step 6: Final answer
    x = 31,546.21

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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.