Home / 52,869.86-79,279.68-30,690.04

Finding the Fourth Proportional to 52,869.86, 79,279.68 and 30,690.04

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Solution

The fourth proportional to 52,869.86, 79,279.68 and 30,690.04 is: 46,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,869.86 : 79,279.68 = 30,690.04 : x
  2. Step 2: Convert to fraction form
    52,869.86/79,279.68 = 30,690.04/x
  3. Step 3: Cross multiply
    52,869.86x = 79,279.68 × 30,690.04
  4. Step 4: Simplify right side
    52,869.86x = 2,433,096,550.39
  5. Step 5: Solve for x
    x = 2,433,096,550.39/52,869.86
  6. Step 6: Final answer
    x = 46,020.48

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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.