Home / 45,400.18-68,092.71-21,722.26

Finding the Fourth Proportional to 45,400.18, 68,092.71 and 21,722.26

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Solution

The fourth proportional to 45,400.18, 68,092.71 and 21,722.26 is: 32,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,400.18 : 68,092.71 = 21,722.26 : x
  2. Step 2: Convert to fraction form
    45,400.18/68,092.71 = 21,722.26/x
  3. Step 3: Cross multiply
    45,400.18x = 68,092.71 × 21,722.26
  4. Step 4: Simplify right side
    45,400.18x = 1,479,127,550.72
  5. Step 5: Solve for x
    x = 1,479,127,550.72/45,400.18
  6. Step 6: Final answer
    x = 32,579.77

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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.