Home / 48,408.48-66,811.12-29,556.64

Finding the Fourth Proportional to 48,408.48, 66,811.12 and 29,556.64

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Solution

The fourth proportional to 48,408.48, 66,811.12 and 29,556.64 is: 40,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408.48 : 66,811.12 = 29,556.64 : x
  2. Step 2: Convert to fraction form
    48,408.48/66,811.12 = 29,556.64/x
  3. Step 3: Cross multiply
    48,408.48x = 66,811.12 × 29,556.64
  4. Step 4: Simplify right side
    48,408.48x = 1,974,712,221.84
  5. Step 5: Solve for x
    x = 1,974,712,221.84/48,408.48
  6. Step 6: Final answer
    x = 40,792.69

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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.