Home / 39,777.52-54,892.78-23,434.21

Finding the Fourth Proportional to 39,777.52, 54,892.78 and 23,434.21

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Solution

The fourth proportional to 39,777.52, 54,892.78 and 23,434.21 is: 32,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,777.52 : 54,892.78 = 23,434.21 : x
  2. Step 2: Convert to fraction form
    39,777.52/54,892.78 = 23,434.21/x
  3. Step 3: Cross multiply
    39,777.52x = 54,892.78 × 23,434.21
  4. Step 4: Simplify right side
    39,777.52x = 1,286,368,816.83
  5. Step 5: Solve for x
    x = 1,286,368,816.83/39,777.52
  6. Step 6: Final answer
    x = 32,339.09

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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.