Home / 43,629.03-65,443.95-12,040.85

Finding the Fourth Proportional to 43,629.03, 65,443.95 and 12,040.85

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Solution

The fourth proportional to 43,629.03, 65,443.95 and 12,040.85 is: 18,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,629.03 : 65,443.95 = 12,040.85 : x
  2. Step 2: Convert to fraction form
    43,629.03/65,443.95 = 12,040.85/x
  3. Step 3: Cross multiply
    43,629.03x = 65,443.95 × 12,040.85
  4. Step 4: Simplify right side
    43,629.03x = 788,000,948.97
  5. Step 5: Solve for x
    x = 788,000,948.97/43,629.03
  6. Step 6: Final answer
    x = 18,061.39

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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.