Home / 64,678.20-89,242.44-37,815.48

Finding the Fourth Proportional to 64,678.20, 89,242.44 and 37,815.48

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Solution

The fourth proportional to 64,678.20, 89,242.44 and 37,815.48 is: 52,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,678.20 : 89,242.44 = 37,815.48 : x
  2. Step 2: Convert to fraction form
    64,678.20/89,242.44 = 37,815.48/x
  3. Step 3: Cross multiply
    64,678.20x = 89,242.44 × 37,815.48
  4. Step 4: Simplify right side
    64,678.20x = 3,374,745,704.97
  5. Step 5: Solve for x
    x = 3,374,745,704.97/64,678.20
  6. Step 6: Final answer
    x = 52,177.48

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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.