Home / 43,061.40-64,593.32-11,896.65

Finding the Fourth Proportional to 43,061.40, 64,593.32 and 11,896.65

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Solution

The fourth proportional to 43,061.40, 64,593.32 and 11,896.65 is: 17,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,061.40 : 64,593.32 = 11,896.65 : x
  2. Step 2: Convert to fraction form
    43,061.40/64,593.32 = 11,896.65/x
  3. Step 3: Cross multiply
    43,061.40x = 64,593.32 × 11,896.65
  4. Step 4: Simplify right side
    43,061.40x = 768,444,281.86
  5. Step 5: Solve for x
    x = 768,444,281.86/43,061.40
  6. Step 6: Final answer
    x = 17,845.31

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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.