Home / 64,164.12-88,524.56-38,660.90

Finding the Fourth Proportional to 64,164.12, 88,524.56 and 38,660.90

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Solution

The fourth proportional to 64,164.12, 88,524.56 and 38,660.90 is: 53,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,164.12 : 88,524.56 = 38,660.90 : x
  2. Step 2: Convert to fraction form
    64,164.12/88,524.56 = 38,660.90/x
  3. Step 3: Cross multiply
    64,164.12x = 88,524.56 × 38,660.90
  4. Step 4: Simplify right side
    64,164.12x = 3,422,438,652.63
  5. Step 5: Solve for x
    x = 3,422,438,652.63/64,164.12
  6. Step 6: Final answer
    x = 53,338.82

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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.