Home / 36,523.80-54,807.30-13,147.20

Finding the Fourth Proportional to 36,523.80, 54,807.30 and 13,147.20

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Solution

The fourth proportional to 36,523.80, 54,807.30 and 13,147.20 is: 19,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,523.80 : 54,807.30 = 13,147.20 : x
  2. Step 2: Convert to fraction form
    36,523.80/54,807.30 = 13,147.20/x
  3. Step 3: Cross multiply
    36,523.80x = 54,807.30 × 13,147.20
  4. Step 4: Simplify right side
    36,523.80x = 720,562,534.56
  5. Step 5: Solve for x
    x = 720,562,534.56/36,523.80
  6. Step 6: Final answer
    x = 19,728.58

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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.