Home / 36,630.61-54,847.50-30,135.22

Finding the Fourth Proportional to 36,630.61, 54,847.50 and 30,135.22

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Solution

The fourth proportional to 36,630.61, 54,847.50 and 30,135.22 is: 45,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,630.61 : 54,847.50 = 30,135.22 : x
  2. Step 2: Convert to fraction form
    36,630.61/54,847.50 = 30,135.22/x
  3. Step 3: Cross multiply
    36,630.61x = 54,847.50 × 30,135.22
  4. Step 4: Simplify right side
    36,630.61x = 1,652,841,478.95
  5. Step 5: Solve for x
    x = 1,652,841,478.95/36,630.61
  6. Step 6: Final answer
    x = 45,121.87

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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.