Home / 43,940.10-65,896.52-15,856.50

Finding the Fourth Proportional to 43,940.10, 65,896.52 and 15,856.50

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Solution

The fourth proportional to 43,940.10, 65,896.52 and 15,856.50 is: 23,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,940.10 : 65,896.52 = 15,856.50 : x
  2. Step 2: Convert to fraction form
    43,940.10/65,896.52 = 15,856.50/x
  3. Step 3: Cross multiply
    43,940.10x = 65,896.52 × 15,856.50
  4. Step 4: Simplify right side
    43,940.10x = 1,044,888,169.38
  5. Step 5: Solve for x
    x = 1,044,888,169.38/43,940.10
  6. Step 6: Final answer
    x = 23,779.83

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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.