Home / 33,120.30-49,543.74-30,200.67

Finding the Fourth Proportional to 33,120.30, 49,543.74 and 30,200.67

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Solution

The fourth proportional to 33,120.30, 49,543.74 and 30,200.67 is: 45,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120.30 : 49,543.74 = 30,200.67 : x
  2. Step 2: Convert to fraction form
    33,120.30/49,543.74 = 30,200.67/x
  3. Step 3: Cross multiply
    33,120.30x = 49,543.74 × 30,200.67
  4. Step 4: Simplify right side
    33,120.30x = 1,496,254,142.31
  5. Step 5: Solve for x
    x = 1,496,254,142.31/33,120.30
  6. Step 6: Final answer
    x = 45,176.35

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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.