Home / 39,798.11-54,922.58-22,807.75

Finding the Fourth Proportional to 39,798.11, 54,922.58 and 22,807.75

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Solution

The fourth proportional to 39,798.11, 54,922.58 and 22,807.75 is: 31,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,798.11 : 54,922.58 = 22,807.75 : x
  2. Step 2: Convert to fraction form
    39,798.11/54,922.58 = 22,807.75/x
  3. Step 3: Cross multiply
    39,798.11x = 54,922.58 × 22,807.75
  4. Step 4: Simplify right side
    39,798.11x = 1,252,660,474.00
  5. Step 5: Solve for x
    x = 1,252,660,474.00/39,798.11
  6. Step 6: Final answer
    x = 31,475.38

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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.