Home / 64,297.79-88,716.60-38,808.29

Finding the Fourth Proportional to 64,297.79, 88,716.60 and 38,808.29

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Solution

The fourth proportional to 64,297.79, 88,716.60 and 38,808.29 is: 53,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,297.79 : 88,716.60 = 38,808.29 : x
  2. Step 2: Convert to fraction form
    64,297.79/88,716.60 = 38,808.29/x
  3. Step 3: Cross multiply
    64,297.79x = 88,716.60 × 38,808.29
  4. Step 4: Simplify right side
    64,297.79x = 3,442,939,540.61
  5. Step 5: Solve for x
    x = 3,442,939,540.61/64,297.79
  6. Step 6: Final answer
    x = 53,546.78

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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.