Home / 36,441.05-54,690.73-18,915.89

Finding the Fourth Proportional to 36,441.05, 54,690.73 and 18,915.89

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Solution

The fourth proportional to 36,441.05, 54,690.73 and 18,915.89 is: 28,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,441.05 : 54,690.73 = 18,915.89 : x
  2. Step 2: Convert to fraction form
    36,441.05/54,690.73 = 18,915.89/x
  3. Step 3: Cross multiply
    36,441.05x = 54,690.73 × 18,915.89
  4. Step 4: Simplify right side
    36,441.05x = 1,034,523,832.70
  5. Step 5: Solve for x
    x = 1,034,523,832.70/36,441.05
  6. Step 6: Final answer
    x = 28,388.97

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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.