Home / 54,184.61-81,256.75-18,635.95

Finding the Fourth Proportional to 54,184.61, 81,256.75 and 18,635.95

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Solution

The fourth proportional to 54,184.61, 81,256.75 and 18,635.95 is: 27,946.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,184.61 : 81,256.75 = 18,635.95 : x
  2. Step 2: Convert to fraction form
    54,184.61/81,256.75 = 18,635.95/x
  3. Step 3: Cross multiply
    54,184.61x = 81,256.75 × 18,635.95
  4. Step 4: Simplify right side
    54,184.61x = 1,514,296,622.13
  5. Step 5: Solve for x
    x = 1,514,296,622.13/54,184.61
  6. Step 6: Final answer
    x = 27,946.99

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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.