Home / 43,147.67-64,724.30-13,566.65

Finding the Fourth Proportional to 43,147.67, 64,724.30 and 13,566.65

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Solution

The fourth proportional to 43,147.67, 64,724.30 and 13,566.65 is: 20,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,147.67 : 64,724.30 = 13,566.65 : x
  2. Step 2: Convert to fraction form
    43,147.67/64,724.30 = 13,566.65/x
  3. Step 3: Cross multiply
    43,147.67x = 64,724.30 × 13,566.65
  4. Step 4: Simplify right side
    43,147.67x = 878,091,533.14
  5. Step 5: Solve for x
    x = 878,091,533.14/43,147.67
  6. Step 6: Final answer
    x = 20,350.85

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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.