Home / 36,609.63-54,851.74-19,981.32

Finding the Fourth Proportional to 36,609.63, 54,851.74 and 19,981.32

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Solution

The fourth proportional to 36,609.63, 54,851.74 and 19,981.32 is: 29,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,609.63 : 54,851.74 = 19,981.32 : x
  2. Step 2: Convert to fraction form
    36,609.63/54,851.74 = 19,981.32/x
  3. Step 3: Cross multiply
    36,609.63x = 54,851.74 × 19,981.32
  4. Step 4: Simplify right side
    36,609.63x = 1,096,010,169.50
  5. Step 5: Solve for x
    x = 1,096,010,169.50/36,609.63
  6. Step 6: Final answer
    x = 29,937.76

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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.