Home / 63,442.78-87,544.29-35,145.70

Finding the Fourth Proportional to 63,442.78, 87,544.29 and 35,145.70

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Solution

The fourth proportional to 63,442.78, 87,544.29 and 35,145.70 is: 48,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,442.78 : 87,544.29 = 35,145.70 : x
  2. Step 2: Convert to fraction form
    63,442.78/87,544.29 = 35,145.70/x
  3. Step 3: Cross multiply
    63,442.78x = 87,544.29 × 35,145.70
  4. Step 4: Simplify right side
    63,442.78x = 3,076,805,353.05
  5. Step 5: Solve for x
    x = 3,076,805,353.05/63,442.78
  6. Step 6: Final answer
    x = 48,497.33

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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.