Home / 40,171.87-55,437.59-22,267.18

Finding the Fourth Proportional to 40,171.87, 55,437.59 and 22,267.18

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Solution

The fourth proportional to 40,171.87, 55,437.59 and 22,267.18 is: 30,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,171.87 : 55,437.59 = 22,267.18 : x
  2. Step 2: Convert to fraction form
    40,171.87/55,437.59 = 22,267.18/x
  3. Step 3: Cross multiply
    40,171.87x = 55,437.59 × 22,267.18
  4. Step 4: Simplify right side
    40,171.87x = 1,234,438,795.30
  5. Step 5: Solve for x
    x = 1,234,438,795.30/40,171.87
  6. Step 6: Final answer
    x = 30,728.94

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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.