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Finding the Fourth Proportional to 63,939.02, 88,232.64 and 35,639.24

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Solution

The fourth proportional to 63,939.02, 88,232.64 and 35,639.24 is: 49,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,939.02 : 88,232.64 = 35,639.24 : x
  2. Step 2: Convert to fraction form
    63,939.02/88,232.64 = 35,639.24/x
  3. Step 3: Cross multiply
    63,939.02x = 88,232.64 × 35,639.24
  4. Step 4: Simplify right side
    63,939.02x = 3,144,544,232.79
  5. Step 5: Solve for x
    x = 3,144,544,232.79/63,939.02
  6. Step 6: Final answer
    x = 49,180.36

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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.