Home / 40,816.09-61,218.67-15,853.71

Finding the Fourth Proportional to 40,816.09, 61,218.67 and 15,853.71

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Solution

The fourth proportional to 40,816.09, 61,218.67 and 15,853.71 is: 23,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,816.09 : 61,218.67 = 15,853.71 : x
  2. Step 2: Convert to fraction form
    40,816.09/61,218.67 = 15,853.71/x
  3. Step 3: Cross multiply
    40,816.09x = 61,218.67 × 15,853.71
  4. Step 4: Simplify right side
    40,816.09x = 970,543,040.77
  5. Step 5: Solve for x
    x = 970,543,040.77/40,816.09
  6. Step 6: Final answer
    x = 23,778.44

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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.