Home / 20,448.42-30,679.11-7,300.50

Finding the Fourth Proportional to 20,448.42, 30,679.11 and 7,300.50

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Solution

The fourth proportional to 20,448.42, 30,679.11 and 7,300.50 is: 10,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448.42 : 30,679.11 = 7,300.50 : x
  2. Step 2: Convert to fraction form
    20,448.42/30,679.11 = 7,300.50/x
  3. Step 3: Cross multiply
    20,448.42x = 30,679.11 × 7,300.50
  4. Step 4: Simplify right side
    20,448.42x = 223,972,842.56
  5. Step 5: Solve for x
    x = 223,972,842.56/20,448.42
  6. Step 6: Final answer
    x = 10,953.06

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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.