Home / 40,329.18-55,654.07-22,423.12

Finding the Fourth Proportional to 40,329.18, 55,654.07 and 22,423.12

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Solution

The fourth proportional to 40,329.18, 55,654.07 and 22,423.12 is: 30,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,329.18 : 55,654.07 = 22,423.12 : x
  2. Step 2: Convert to fraction form
    40,329.18/55,654.07 = 22,423.12/x
  3. Step 3: Cross multiply
    40,329.18x = 55,654.07 × 22,423.12
  4. Step 4: Simplify right side
    40,329.18x = 1,247,937,638.85
  5. Step 5: Solve for x
    x = 1,247,937,638.85/40,329.18
  6. Step 6: Final answer
    x = 30,943.79

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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.