Home / 64,968.44-97,456.10-20,591.78

Finding the Fourth Proportional to 64,968.44, 97,456.10 and 20,591.78

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Solution

The fourth proportional to 64,968.44, 97,456.10 and 20,591.78 is: 30,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,968.44 : 97,456.10 = 20,591.78 : x
  2. Step 2: Convert to fraction form
    64,968.44/97,456.10 = 20,591.78/x
  3. Step 3: Cross multiply
    64,968.44x = 97,456.10 × 20,591.78
  4. Step 4: Simplify right side
    64,968.44x = 2,006,793,980.62
  5. Step 5: Solve for x
    x = 2,006,793,980.62/64,968.44
  6. Step 6: Final answer
    x = 30,888.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.