Home / 39,291.67-54,285.96-27,408.06

Finding the Fourth Proportional to 39,291.67, 54,285.96 and 27,408.06

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Solution

The fourth proportional to 39,291.67, 54,285.96 and 27,408.06 is: 37,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,291.67 : 54,285.96 = 27,408.06 : x
  2. Step 2: Convert to fraction form
    39,291.67/54,285.96 = 27,408.06/x
  3. Step 3: Cross multiply
    39,291.67x = 54,285.96 × 27,408.06
  4. Step 4: Simplify right side
    39,291.67x = 1,487,872,848.84
  5. Step 5: Solve for x
    x = 1,487,872,848.84/39,291.67
  6. Step 6: Final answer
    x = 37,867.39

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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.