Home / 39,900.87-55,047.78-22,898.97

Finding the Fourth Proportional to 39,900.87, 55,047.78 and 22,898.97

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Solution

The fourth proportional to 39,900.87, 55,047.78 and 22,898.97 is: 31,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,900.87 : 55,047.78 = 22,898.97 : x
  2. Step 2: Convert to fraction form
    39,900.87/55,047.78 = 22,898.97/x
  3. Step 3: Cross multiply
    39,900.87x = 55,047.78 × 22,898.97
  4. Step 4: Simplify right side
    39,900.87x = 1,260,537,462.79
  5. Step 5: Solve for x
    x = 1,260,537,462.79/39,900.87
  6. Step 6: Final answer
    x = 31,591.73

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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.