Home / 63,928.08-88,218.72-40,067.64

Finding the Fourth Proportional to 63,928.08, 88,218.72 and 40,067.64

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Solution

The fourth proportional to 63,928.08, 88,218.72 and 40,067.64 is: 55,292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,928.08 : 88,218.72 = 40,067.64 : x
  2. Step 2: Convert to fraction form
    63,928.08/88,218.72 = 40,067.64/x
  3. Step 3: Cross multiply
    63,928.08x = 88,218.72 × 40,067.64
  4. Step 4: Simplify right side
    63,928.08x = 3,534,715,914.22
  5. Step 5: Solve for x
    x = 3,534,715,914.22/63,928.08
  6. Step 6: Final answer
    x = 55,292.07

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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.