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Finding the Fourth Proportional to 20,023.84, 30,030.22 and 7,550.65

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Solution

The fourth proportional to 20,023.84, 30,030.22 and 7,550.65 is: 11,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.84 : 30,030.22 = 7,550.65 : x
  2. Step 2: Convert to fraction form
    20,023.84/30,030.22 = 7,550.65/x
  3. Step 3: Cross multiply
    20,023.84x = 30,030.22 × 7,550.65
  4. Step 4: Simplify right side
    20,023.84x = 226,747,680.64
  5. Step 5: Solve for x
    x = 226,747,680.64/20,023.84
  6. Step 6: Final answer
    x = 11,323.89

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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.