Home / 36,609.92-54,852.20-19,981.64

Finding the Fourth Proportional to 36,609.92, 54,852.20 and 19,981.64

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Solution

The fourth proportional to 36,609.92, 54,852.20 and 19,981.64 is: 29,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,609.92 : 54,852.20 = 19,981.64 : x
  2. Step 2: Convert to fraction form
    36,609.92/54,852.20 = 19,981.64/x
  3. Step 3: Cross multiply
    36,609.92x = 54,852.20 × 19,981.64
  4. Step 4: Simplify right side
    36,609.92x = 1,096,036,539.44
  5. Step 5: Solve for x
    x = 1,096,036,539.44/36,609.92
  6. Step 6: Final answer
    x = 29,938.24

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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.