Home / 36,222.78-54,343.17-12,851.58

Finding the Fourth Proportional to 36,222.78, 54,343.17 and 12,851.58

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Solution

The fourth proportional to 36,222.78, 54,343.17 and 12,851.58 is: 19,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.78 : 54,343.17 = 12,851.58 : x
  2. Step 2: Convert to fraction form
    36,222.78/54,343.17 = 12,851.58/x
  3. Step 3: Cross multiply
    36,222.78x = 54,343.17 × 12,851.58
  4. Step 4: Simplify right side
    36,222.78x = 698,395,596.71
  5. Step 5: Solve for x
    x = 698,395,596.71/36,222.78
  6. Step 6: Final answer
    x = 19,280.56

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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.