Home / 39,809.18-54,937.98-22,816.64

Finding the Fourth Proportional to 39,809.18, 54,937.98 and 22,816.64

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Solution

The fourth proportional to 39,809.18, 54,937.98 and 22,816.64 is: 31,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,809.18 : 54,937.98 = 22,816.64 : x
  2. Step 2: Convert to fraction form
    39,809.18/54,937.98 = 22,816.64/x
  3. Step 3: Cross multiply
    39,809.18x = 54,937.98 × 22,816.64
  4. Step 4: Simplify right side
    39,809.18x = 1,253,500,111.99
  5. Step 5: Solve for x
    x = 1,253,500,111.99/39,809.18
  6. Step 6: Final answer
    x = 31,487.71

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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.