Home / 20,250.41-30,376.31-5,459.67

Finding the Fourth Proportional to 20,250.41, 30,376.31 and 5,459.67

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Solution

The fourth proportional to 20,250.41, 30,376.31 and 5,459.67 is: 8,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.41 : 30,376.31 = 5,459.67 : x
  2. Step 2: Convert to fraction form
    20,250.41/30,376.31 = 5,459.67/x
  3. Step 3: Cross multiply
    20,250.41x = 30,376.31 × 5,459.67
  4. Step 4: Simplify right side
    20,250.41x = 165,844,601.12
  5. Step 5: Solve for x
    x = 165,844,601.12/20,250.41
  6. Step 6: Final answer
    x = 8,189.69

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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.