Home / 39,062.52-53,843.40-30,549.96

Finding the Fourth Proportional to 39,062.52, 53,843.40 and 30,549.96

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Solution

The fourth proportional to 39,062.52, 53,843.40 and 30,549.96 is: 42,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,062.52 : 53,843.40 = 30,549.96 : x
  2. Step 2: Convert to fraction form
    39,062.52/53,843.40 = 30,549.96/x
  3. Step 3: Cross multiply
    39,062.52x = 53,843.40 × 30,549.96
  4. Step 4: Simplify right side
    39,062.52x = 1,644,913,716.26
  5. Step 5: Solve for x
    x = 1,644,913,716.26/39,062.52
  6. Step 6: Final answer
    x = 42,109.77

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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.