Home / 20,227.32-30,341.16-7,079.67

Finding the Fourth Proportional to 20,227.32, 30,341.16 and 7,079.67

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Solution

The fourth proportional to 20,227.32, 30,341.16 and 7,079.67 is: 10,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.32 : 30,341.16 = 7,079.67 : x
  2. Step 2: Convert to fraction form
    20,227.32/30,341.16 = 7,079.67/x
  3. Step 3: Cross multiply
    20,227.32x = 30,341.16 × 7,079.67
  4. Step 4: Simplify right side
    20,227.32x = 214,805,400.22
  5. Step 5: Solve for x
    x = 214,805,400.22/20,227.32
  6. Step 6: Final answer
    x = 10,619.57

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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.