Home / 36,221.70-54,311.34-15,139.02

Finding the Fourth Proportional to 36,221.70, 54,311.34 and 15,139.02

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Solution

The fourth proportional to 36,221.70, 54,311.34 and 15,139.02 is: 22,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,221.70 : 54,311.34 = 15,139.02 : x
  2. Step 2: Convert to fraction form
    36,221.70/54,311.34 = 15,139.02/x
  3. Step 3: Cross multiply
    36,221.70x = 54,311.34 × 15,139.02
  4. Step 4: Simplify right side
    36,221.70x = 822,220,462.49
  5. Step 5: Solve for x
    x = 822,220,462.49/36,221.70
  6. Step 6: Final answer
    x = 22,699.67

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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.