Home / 40,007.54-55,211.52-22,103.70

Finding the Fourth Proportional to 40,007.54, 55,211.52 and 22,103.70

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Solution

The fourth proportional to 40,007.54, 55,211.52 and 22,103.70 is: 30,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.54 : 55,211.52 = 22,103.70 : x
  2. Step 2: Convert to fraction form
    40,007.54/55,211.52 = 22,103.70/x
  3. Step 3: Cross multiply
    40,007.54x = 55,211.52 × 22,103.70
  4. Step 4: Simplify right side
    40,007.54x = 1,220,378,874.62
  5. Step 5: Solve for x
    x = 1,220,378,874.62/40,007.54
  6. Step 6: Final answer
    x = 30,503.72

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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.