Home / 55,044.77-82,541.12-21,326.58

Finding the Fourth Proportional to 55,044.77, 82,541.12 and 21,326.58

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Solution

The fourth proportional to 55,044.77, 82,541.12 and 21,326.58 is: 31,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,044.77 : 82,541.12 = 21,326.58 : x
  2. Step 2: Convert to fraction form
    55,044.77/82,541.12 = 21,326.58/x
  3. Step 3: Cross multiply
    55,044.77x = 82,541.12 × 21,326.58
  4. Step 4: Simplify right side
    55,044.77x = 1,760,319,692.34
  5. Step 5: Solve for x
    x = 1,760,319,692.34/55,044.77
  6. Step 6: Final answer
    x = 31,979.78

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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.