Home / 20,242.34-30,344.99-7,087.53

Finding the Fourth Proportional to 20,242.34, 30,344.99 and 7,087.53

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Solution

The fourth proportional to 20,242.34, 30,344.99 and 7,087.53 is: 10,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.34 : 30,344.99 = 7,087.53 : x
  2. Step 2: Convert to fraction form
    20,242.34/30,344.99 = 7,087.53/x
  3. Step 3: Cross multiply
    20,242.34x = 30,344.99 × 7,087.53
  4. Step 4: Simplify right side
    20,242.34x = 215,070,991.54
  5. Step 5: Solve for x
    x = 215,070,991.54/20,242.34
  6. Step 6: Final answer
    x = 10,624.81

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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.