Home / 40,189.87-60,279.67-10,609.93

Finding the Fourth Proportional to 40,189.87, 60,279.67 and 10,609.93

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Solution

The fourth proportional to 40,189.87, 60,279.67 and 10,609.93 is: 15,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.87 : 60,279.67 = 10,609.93 : x
  2. Step 2: Convert to fraction form
    40,189.87/60,279.67 = 10,609.93/x
  3. Step 3: Cross multiply
    40,189.87x = 60,279.67 × 10,609.93
  4. Step 4: Simplify right side
    40,189.87x = 639,563,079.12
  5. Step 5: Solve for x
    x = 639,563,079.12/40,189.87
  6. Step 6: Final answer
    x = 15,913.54

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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.