Home / 36,729.18-50,686.76-21,621.87

Finding the Fourth Proportional to 36,729.18, 50,686.76 and 21,621.87

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Solution

The fourth proportional to 36,729.18, 50,686.76 and 21,621.87 is: 29,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,729.18 : 50,686.76 = 21,621.87 : x
  2. Step 2: Convert to fraction form
    36,729.18/50,686.76 = 21,621.87/x
  3. Step 3: Cross multiply
    36,729.18x = 50,686.76 × 21,621.87
  4. Step 4: Simplify right side
    36,729.18x = 1,095,942,589.50
  5. Step 5: Solve for x
    x = 1,095,942,589.50/36,729.18
  6. Step 6: Final answer
    x = 29,838.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.