Home / 54,424.45-81,587.47-19,355.91

Finding the Fourth Proportional to 54,424.45, 81,587.47 and 19,355.91

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Solution

The fourth proportional to 54,424.45, 81,587.47 and 19,355.91 is: 29,016.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,424.45 : 81,587.47 = 19,355.91 : x
  2. Step 2: Convert to fraction form
    54,424.45/81,587.47 = 19,355.91/x
  3. Step 3: Cross multiply
    54,424.45x = 81,587.47 × 19,355.91
  4. Step 4: Simplify right side
    54,424.45x = 1,579,199,726.45
  5. Step 5: Solve for x
    x = 1,579,199,726.45/54,424.45
  6. Step 6: Final answer
    x = 29,016.37

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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.