Home / 49,909.50-68,867.28-28,684.80

Finding the Fourth Proportional to 49,909.50, 68,867.28 and 28,684.80

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Solution

The fourth proportional to 49,909.50, 68,867.28 and 28,684.80 is: 39,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,909.50 : 68,867.28 = 28,684.80 : x
  2. Step 2: Convert to fraction form
    49,909.50/68,867.28 = 28,684.80/x
  3. Step 3: Cross multiply
    49,909.50x = 68,867.28 × 28,684.80
  4. Step 4: Simplify right side
    49,909.50x = 1,975,444,153.34
  5. Step 5: Solve for x
    x = 1,975,444,153.34/49,909.50
  6. Step 6: Final answer
    x = 39,580.52

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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.