Home / 39,278.22-54,267.44-27,394.61

Finding the Fourth Proportional to 39,278.22, 54,267.44 and 27,394.61

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Solution

The fourth proportional to 39,278.22, 54,267.44 and 27,394.61 is: 37,848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.22 : 54,267.44 = 27,394.61 : x
  2. Step 2: Convert to fraction form
    39,278.22/54,267.44 = 27,394.61/x
  3. Step 3: Cross multiply
    39,278.22x = 54,267.44 × 27,394.61
  4. Step 4: Simplify right side
    39,278.22x = 1,486,634,946.19
  5. Step 5: Solve for x
    x = 1,486,634,946.19/39,278.22
  6. Step 6: Final answer
    x = 37,848.84

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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.