Home / 38,559.83-57,818.98-20,800.02

Finding the Fourth Proportional to 38,559.83, 57,818.98 and 20,800.02

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Solution

The fourth proportional to 38,559.83, 57,818.98 and 20,800.02 is: 31,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.83 : 57,818.98 = 20,800.02 : x
  2. Step 2: Convert to fraction form
    38,559.83/57,818.98 = 20,800.02/x
  3. Step 3: Cross multiply
    38,559.83x = 57,818.98 × 20,800.02
  4. Step 4: Simplify right side
    38,559.83x = 1,202,636,105.11
  5. Step 5: Solve for x
    x = 1,202,636,105.11/38,559.83
  6. Step 6: Final answer
    x = 31,188.83

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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.