Home / 54,625.28-81,937.91-19,589.54

Finding the Fourth Proportional to 54,625.28, 81,937.91 and 19,589.54

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Solution

The fourth proportional to 54,625.28, 81,937.91 and 19,589.54 is: 29,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,625.28 : 81,937.91 = 19,589.54 : x
  2. Step 2: Convert to fraction form
    54,625.28/81,937.91 = 19,589.54/x
  3. Step 3: Cross multiply
    54,625.28x = 81,937.91 × 19,589.54
  4. Step 4: Simplify right side
    54,625.28x = 1,605,125,457.82
  5. Step 5: Solve for x
    x = 1,605,125,457.82/54,625.28
  6. Step 6: Final answer
    x = 29,384.30

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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.