Home / 39,379.14-54,344.58-22,384.10

Finding the Fourth Proportional to 39,379.14, 54,344.58 and 22,384.10

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Solution

The fourth proportional to 39,379.14, 54,344.58 and 22,384.10 is: 30,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.14 : 54,344.58 = 22,384.10 : x
  2. Step 2: Convert to fraction form
    39,379.14/54,344.58 = 22,384.10/x
  3. Step 3: Cross multiply
    39,379.14x = 54,344.58 × 22,384.10
  4. Step 4: Simplify right side
    39,379.14x = 1,216,454,513.18
  5. Step 5: Solve for x
    x = 1,216,454,513.18/39,379.14
  6. Step 6: Final answer
    x = 30,890.83

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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.