Home / 40,272.12-55,578.96-22,370.04

Finding the Fourth Proportional to 40,272.12, 55,578.96 and 22,370.04

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Solution

The fourth proportional to 40,272.12, 55,578.96 and 22,370.04 is: 30,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.12 : 55,578.96 = 22,370.04 : x
  2. Step 2: Convert to fraction form
    40,272.12/55,578.96 = 22,370.04/x
  3. Step 3: Cross multiply
    40,272.12x = 55,578.96 × 22,370.04
  4. Step 4: Simplify right side
    40,272.12x = 1,243,303,558.36
  5. Step 5: Solve for x
    x = 1,243,303,558.36/40,272.12
  6. Step 6: Final answer
    x = 30,872.56

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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.