Home / 40,078.32-55,304.60-22,173.04

Finding the Fourth Proportional to 40,078.32, 55,304.60 and 22,173.04

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Solution

The fourth proportional to 40,078.32, 55,304.60 and 22,173.04 is: 30,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,078.32 : 55,304.60 = 22,173.04 : x
  2. Step 2: Convert to fraction form
    40,078.32/55,304.60 = 22,173.04/x
  3. Step 3: Cross multiply
    40,078.32x = 55,304.60 × 22,173.04
  4. Step 4: Simplify right side
    40,078.32x = 1,226,271,107.98
  5. Step 5: Solve for x
    x = 1,226,271,107.98/40,078.32
  6. Step 6: Final answer
    x = 30,596.87

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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.