Home / 40,173.99-55,438.59-22,269.30

Finding the Fourth Proportional to 40,173.99, 55,438.59 and 22,269.30

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Solution

The fourth proportional to 40,173.99, 55,438.59 and 22,269.30 is: 30,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.99 : 55,438.59 = 22,269.30 : x
  2. Step 2: Convert to fraction form
    40,173.99/55,438.59 = 22,269.30/x
  3. Step 3: Cross multiply
    40,173.99x = 55,438.59 × 22,269.30
  4. Step 4: Simplify right side
    40,173.99x = 1,234,578,592.29
  5. Step 5: Solve for x
    x = 1,234,578,592.29/40,173.99
  6. Step 6: Final answer
    x = 30,730.79

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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.