Home / 20,237.04-30,351.90-5,442.51

Finding the Fourth Proportional to 20,237.04, 30,351.90 and 5,442.51

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Solution

The fourth proportional to 20,237.04, 30,351.90 and 5,442.51 is: 8,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.04 : 30,351.90 = 5,442.51 : x
  2. Step 2: Convert to fraction form
    20,237.04/30,351.90 = 5,442.51/x
  3. Step 3: Cross multiply
    20,237.04x = 30,351.90 × 5,442.51
  4. Step 4: Simplify right side
    20,237.04x = 165,190,519.27
  5. Step 5: Solve for x
    x = 165,190,519.27/20,237.04
  6. Step 6: Final answer
    x = 8,162.78

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1.5x scale

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.