Home / 40,175.76-55,436.71-22,270.75

Finding the Fourth Proportional to 40,175.76, 55,436.71 and 22,270.75

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Solution

The fourth proportional to 40,175.76, 55,436.71 and 22,270.75 is: 30,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,175.76 : 55,436.71 = 22,270.75 : x
  2. Step 2: Convert to fraction form
    40,175.76/55,436.71 = 22,270.75/x
  3. Step 3: Cross multiply
    40,175.76x = 55,436.71 × 22,270.75
  4. Step 4: Simplify right side
    40,175.76x = 1,234,617,109.23
  5. Step 5: Solve for x
    x = 1,234,617,109.23/40,175.76
  6. Step 6: Final answer
    x = 30,730.40

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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.