Home / 36,353.80-54,433.50-20,749.96

Finding the Fourth Proportional to 36,353.80, 54,433.50 and 20,749.96

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Solution

The fourth proportional to 36,353.80, 54,433.50 and 20,749.96 is: 31,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,353.80 : 54,433.50 = 20,749.96 : x
  2. Step 2: Convert to fraction form
    36,353.80/54,433.50 = 20,749.96/x
  3. Step 3: Cross multiply
    36,353.80x = 54,433.50 × 20,749.96
  4. Step 4: Simplify right side
    36,353.80x = 1,129,492,947.66
  5. Step 5: Solve for x
    x = 1,129,492,947.66/36,353.80
  6. Step 6: Final answer
    x = 31,069.46

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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.