Home / 40,016.62-55,222.32-22,111.30

Finding the Fourth Proportional to 40,016.62, 55,222.32 and 22,111.30

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Solution

The fourth proportional to 40,016.62, 55,222.32 and 22,111.30 is: 30,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,016.62 : 55,222.32 = 22,111.30 : x
  2. Step 2: Convert to fraction form
    40,016.62/55,222.32 = 22,111.30/x
  3. Step 3: Cross multiply
    40,016.62x = 55,222.32 × 22,111.30
  4. Step 4: Simplify right side
    40,016.62x = 1,221,037,284.22
  5. Step 5: Solve for x
    x = 1,221,037,284.22/40,016.62
  6. Step 6: Final answer
    x = 30,513.25

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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.