Home / 40,233.92-55,522.40-22,329.07

Finding the Fourth Proportional to 40,233.92, 55,522.40 and 22,329.07

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Solution

The fourth proportional to 40,233.92, 55,522.40 and 22,329.07 is: 30,813.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,233.92 : 55,522.40 = 22,329.07 : x
  2. Step 2: Convert to fraction form
    40,233.92/55,522.40 = 22,329.07/x
  3. Step 3: Cross multiply
    40,233.92x = 55,522.40 × 22,329.07
  4. Step 4: Simplify right side
    40,233.92x = 1,239,763,305.72
  5. Step 5: Solve for x
    x = 1,239,763,305.72/40,233.92
  6. Step 6: Final answer
    x = 30,813.89

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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.