Home / 36,493.80-54,740.70-13,122.60

Finding the Fourth Proportional to 36,493.80, 54,740.70 and 13,122.60

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Solution

The fourth proportional to 36,493.80, 54,740.70 and 13,122.60 is: 19,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,493.80 : 54,740.70 = 13,122.60 : x
  2. Step 2: Convert to fraction form
    36,493.80/54,740.70 = 13,122.60/x
  3. Step 3: Cross multiply
    36,493.80x = 54,740.70 × 13,122.60
  4. Step 4: Simplify right side
    36,493.80x = 718,340,309.82
  5. Step 5: Solve for x
    x = 718,340,309.82/36,493.80
  6. Step 6: Final answer
    x = 19,683.90

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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.