Home / 43,277.69-64,919.27-18,314.45

Finding the Fourth Proportional to 43,277.69, 64,919.27 and 18,314.45

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Solution

The fourth proportional to 43,277.69, 64,919.27 and 18,314.45 is: 27,472.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,277.69 : 64,919.27 = 18,314.45 : x
  2. Step 2: Convert to fraction form
    43,277.69/64,919.27 = 18,314.45/x
  3. Step 3: Cross multiply
    43,277.69x = 64,919.27 × 18,314.45
  4. Step 4: Simplify right side
    43,277.69x = 1,188,961,054.26
  5. Step 5: Solve for x
    x = 1,188,961,054.26/43,277.69
  6. Step 6: Final answer
    x = 27,472.84

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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.