Home / 56,339.03-84,519.92-20,800.59

Finding the Fourth Proportional to 56,339.03, 84,519.92 and 20,800.59

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Solution

The fourth proportional to 56,339.03, 84,519.92 and 20,800.59 is: 31,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,339.03 : 84,519.92 = 20,800.59 : x
  2. Step 2: Convert to fraction form
    56,339.03/84,519.92 = 20,800.59/x
  3. Step 3: Cross multiply
    56,339.03x = 84,519.92 × 20,800.59
  4. Step 4: Simplify right side
    56,339.03x = 1,758,064,098.75
  5. Step 5: Solve for x
    x = 1,758,064,098.75/56,339.03
  6. Step 6: Final answer
    x = 31,205.08

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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.