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Finding the Fourth Proportional to 63,928.29, 88,222.22 and 35,630.94

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Solution

The fourth proportional to 63,928.29, 88,222.22 and 35,630.94 is: 49,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,928.29 : 88,222.22 = 35,630.94 : x
  2. Step 2: Convert to fraction form
    63,928.29/88,222.22 = 35,630.94/x
  3. Step 3: Cross multiply
    63,928.29x = 88,222.22 × 35,630.94
  4. Step 4: Simplify right side
    63,928.29x = 3,143,440,449.33
  5. Step 5: Solve for x
    x = 3,143,440,449.33/63,928.29
  6. Step 6: Final answer
    x = 49,171.35

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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.