Home / 64,977.28-89,672.88-36,683.68

Finding the Fourth Proportional to 64,977.28, 89,672.88 and 36,683.68

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Solution

The fourth proportional to 64,977.28, 89,672.88 and 36,683.68 is: 50,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,977.28 : 89,672.88 = 36,683.68 : x
  2. Step 2: Convert to fraction form
    64,977.28/89,672.88 = 36,683.68/x
  3. Step 3: Cross multiply
    64,977.28x = 89,672.88 × 36,683.68
  4. Step 4: Simplify right side
    64,977.28x = 3,289,531,234.60
  5. Step 5: Solve for x
    x = 3,289,531,234.60/64,977.28
  6. Step 6: Final answer
    x = 50,625.87

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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.