Home / 39,789.52-54,884.46-29,571.46

Finding the Fourth Proportional to 39,789.52, 54,884.46 and 29,571.46

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Solution

The fourth proportional to 39,789.52, 54,884.46 and 29,571.46 is: 40,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,789.52 : 54,884.46 = 29,571.46 : x
  2. Step 2: Convert to fraction form
    39,789.52/54,884.46 = 29,571.46/x
  3. Step 3: Cross multiply
    39,789.52x = 54,884.46 × 29,571.46
  4. Step 4: Simplify right side
    39,789.52x = 1,623,013,613.51
  5. Step 5: Solve for x
    x = 1,623,013,613.51/39,789.52
  6. Step 6: Final answer
    x = 40,789.98

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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.