Home / 40,173.87-55,440.35-22,269.18

Finding the Fourth Proportional to 40,173.87, 55,440.35 and 22,269.18

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Solution

The fourth proportional to 40,173.87, 55,440.35 and 22,269.18 is: 30,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.87 : 55,440.35 = 22,269.18 : x
  2. Step 2: Convert to fraction form
    40,173.87/55,440.35 = 22,269.18/x
  3. Step 3: Cross multiply
    40,173.87x = 55,440.35 × 22,269.18
  4. Step 4: Simplify right side
    40,173.87x = 1,234,611,133.41
  5. Step 5: Solve for x
    x = 1,234,611,133.41/40,173.87
  6. Step 6: Final answer
    x = 30,731.70

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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.