Home / 36,135.10-54,202.65-20,583.10

Finding the Fourth Proportional to 36,135.10, 54,202.65 and 20,583.10

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Solution

The fourth proportional to 36,135.10, 54,202.65 and 20,583.10 is: 30,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.10 : 54,202.65 = 20,583.10 : x
  2. Step 2: Convert to fraction form
    36,135.10/54,202.65 = 20,583.10/x
  3. Step 3: Cross multiply
    36,135.10x = 54,202.65 × 20,583.10
  4. Step 4: Simplify right side
    36,135.10x = 1,115,658,565.22
  5. Step 5: Solve for x
    x = 1,115,658,565.22/36,135.10
  6. Step 6: Final answer
    x = 30,874.65

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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.