Home / 34,809.68-48,019.56-22,221.20

Finding the Fourth Proportional to 34,809.68, 48,019.56 and 22,221.20

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Solution

The fourth proportional to 34,809.68, 48,019.56 and 22,221.20 is: 30,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.68 : 48,019.56 = 22,221.20 : x
  2. Step 2: Convert to fraction form
    34,809.68/48,019.56 = 22,221.20/x
  3. Step 3: Cross multiply
    34,809.68x = 48,019.56 × 22,221.20
  4. Step 4: Simplify right side
    34,809.68x = 1,067,052,246.67
  5. Step 5: Solve for x
    x = 1,067,052,246.67/34,809.68
  6. Step 6: Final answer
    x = 30,653.89

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1.5x scale

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.