Home / 39,382.08-54,350.50-22,391.66

Finding the Fourth Proportional to 39,382.08, 54,350.50 and 22,391.66

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Solution

The fourth proportional to 39,382.08, 54,350.50 and 22,391.66 is: 30,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,382.08 : 54,350.50 = 22,391.66 : x
  2. Step 2: Convert to fraction form
    39,382.08/54,350.50 = 22,391.66/x
  3. Step 3: Cross multiply
    39,382.08x = 54,350.50 × 22,391.66
  4. Step 4: Simplify right side
    39,382.08x = 1,216,997,916.83
  5. Step 5: Solve for x
    x = 1,216,997,916.83/39,382.08
  6. Step 6: Final answer
    x = 30,902.33

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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.