Home / 36,419.02-54,629.88-13,045.42

Finding the Fourth Proportional to 36,419.02, 54,629.88 and 13,045.42

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Solution

The fourth proportional to 36,419.02, 54,629.88 and 13,045.42 is: 19,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.02 : 54,629.88 = 13,045.42 : x
  2. Step 2: Convert to fraction form
    36,419.02/54,629.88 = 13,045.42/x
  3. Step 3: Cross multiply
    36,419.02x = 54,629.88 × 13,045.42
  4. Step 4: Simplify right side
    36,419.02x = 712,669,729.15
  5. Step 5: Solve for x
    x = 712,669,729.15/36,419.02
  6. Step 6: Final answer
    x = 19,568.61

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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.