Home / 40,109.19-55,352.34-22,203.87

Finding the Fourth Proportional to 40,109.19, 55,352.34 and 22,203.87

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Solution

The fourth proportional to 40,109.19, 55,352.34 and 22,203.87 is: 30,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.19 : 55,352.34 = 22,203.87 : x
  2. Step 2: Convert to fraction form
    40,109.19/55,352.34 = 22,203.87/x
  3. Step 3: Cross multiply
    40,109.19x = 55,352.34 × 22,203.87
  4. Step 4: Simplify right side
    40,109.19x = 1,229,036,161.56
  5. Step 5: Solve for x
    x = 1,229,036,161.56/40,109.19
  6. Step 6: Final answer
    x = 30,642.26

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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.