Home / 34,747.20-52,120.80-20,923.20

Finding the Fourth Proportional to 34,747.20, 52,120.80 and 20,923.20

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Solution

The fourth proportional to 34,747.20, 52,120.80 and 20,923.20 is: 31,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.20 : 52,120.80 = 20,923.20 : x
  2. Step 2: Convert to fraction form
    34,747.20/52,120.80 = 20,923.20/x
  3. Step 3: Cross multiply
    34,747.20x = 52,120.80 × 20,923.20
  4. Step 4: Simplify right side
    34,747.20x = 1,090,533,922.56
  5. Step 5: Solve for x
    x = 1,090,533,922.56/34,747.20
  6. Step 6: Final answer
    x = 31,384.80

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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.