Home / 40,178.40-55,446.66-22,273.62

Finding the Fourth Proportional to 40,178.40, 55,446.66 and 22,273.62

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Solution

The fourth proportional to 40,178.40, 55,446.66 and 22,273.62 is: 30,737.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178.40 : 55,446.66 = 22,273.62 : x
  2. Step 2: Convert to fraction form
    40,178.40/55,446.66 = 22,273.62/x
  3. Step 3: Cross multiply
    40,178.40x = 55,446.66 × 22,273.62
  4. Step 4: Simplify right side
    40,178.40x = 1,234,997,835.11
  5. Step 5: Solve for x
    x = 1,234,997,835.11/40,178.40
  6. Step 6: Final answer
    x = 30,737.86

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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.