Home / 45,214.74-67,816.26-11,937.31

Finding the Fourth Proportional to 45,214.74, 67,816.26 and 11,937.31

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Solution

The fourth proportional to 45,214.74, 67,816.26 and 11,937.31 is: 17,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,214.74 : 67,816.26 = 11,937.31 : x
  2. Step 2: Convert to fraction form
    45,214.74/67,816.26 = 11,937.31/x
  3. Step 3: Cross multiply
    45,214.74x = 67,816.26 × 11,937.31
  4. Step 4: Simplify right side
    45,214.74x = 809,543,549.12
  5. Step 5: Solve for x
    x = 809,543,549.12/45,214.74
  6. Step 6: Final answer
    x = 17,904.42

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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.