Home / 64,711.28-89,304.46-36,418.80

Finding the Fourth Proportional to 64,711.28, 89,304.46 and 36,418.80

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Solution

The fourth proportional to 64,711.28, 89,304.46 and 36,418.80 is: 50,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,711.28 : 89,304.46 = 36,418.80 : x
  2. Step 2: Convert to fraction form
    64,711.28/89,304.46 = 36,418.80/x
  3. Step 3: Cross multiply
    64,711.28x = 89,304.46 × 36,418.80
  4. Step 4: Simplify right side
    64,711.28x = 3,252,361,267.85
  5. Step 5: Solve for x
    x = 3,252,361,267.85/64,711.28
  6. Step 6: Final answer
    x = 50,259.57

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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.