Home / 43,074.22-64,612.54-11,909.47

Finding the Fourth Proportional to 43,074.22, 64,612.54 and 11,909.47

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Solution

The fourth proportional to 43,074.22, 64,612.54 and 11,909.47 is: 17,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,074.22 : 64,612.54 = 11,909.47 : x
  2. Step 2: Convert to fraction form
    43,074.22/64,612.54 = 11,909.47/x
  3. Step 3: Cross multiply
    43,074.22x = 64,612.54 × 11,909.47
  4. Step 4: Simplify right side
    43,074.22x = 769,500,783.69
  5. Step 5: Solve for x
    x = 769,500,783.69/43,074.22
  6. Step 6: Final answer
    x = 17,864.53

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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.