Home / 54,479.57-81,721.19-14,498.58

Finding the Fourth Proportional to 54,479.57, 81,721.19 and 14,498.58

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Solution

The fourth proportional to 54,479.57, 81,721.19 and 14,498.58 is: 21,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,479.57 : 81,721.19 = 14,498.58 : x
  2. Step 2: Convert to fraction form
    54,479.57/81,721.19 = 14,498.58/x
  3. Step 3: Cross multiply
    54,479.57x = 81,721.19 × 14,498.58
  4. Step 4: Simplify right side
    54,479.57x = 1,184,841,138.42
  5. Step 5: Solve for x
    x = 1,184,841,138.42/54,479.57
  6. Step 6: Final answer
    x = 21,748.36

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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.