Home / 40,085.68-55,317.99-22,180.36

Finding the Fourth Proportional to 40,085.68, 55,317.99 and 22,180.36

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Solution

The fourth proportional to 40,085.68, 55,317.99 and 22,180.36 is: 30,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,085.68 : 55,317.99 = 22,180.36 : x
  2. Step 2: Convert to fraction form
    40,085.68/55,317.99 = 22,180.36/x
  3. Step 3: Cross multiply
    40,085.68x = 55,317.99 × 22,180.36
  4. Step 4: Simplify right side
    40,085.68x = 1,226,972,932.68
  5. Step 5: Solve for x
    x = 1,226,972,932.68/40,085.68
  6. Step 6: Final answer
    x = 30,608.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.