Home / 39,654.22-54,740.21-27,764.18

Finding the Fourth Proportional to 39,654.22, 54,740.21 and 27,764.18

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Solution

The fourth proportional to 39,654.22, 54,740.21 and 27,764.18 is: 38,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,654.22 : 54,740.21 = 27,764.18 : x
  2. Step 2: Convert to fraction form
    39,654.22/54,740.21 = 27,764.18/x
  3. Step 3: Cross multiply
    39,654.22x = 54,740.21 × 27,764.18
  4. Step 4: Simplify right side
    39,654.22x = 1,519,817,043.68
  5. Step 5: Solve for x
    x = 1,519,817,043.68/39,654.22
  6. Step 6: Final answer
    x = 38,326.74

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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.