Home / 49,310.30-68,031.60-28,074.53

Finding the Fourth Proportional to 49,310.30, 68,031.60 and 28,074.53

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Solution

The fourth proportional to 49,310.30, 68,031.60 and 28,074.53 is: 38,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,310.30 : 68,031.60 = 28,074.53 : x
  2. Step 2: Convert to fraction form
    49,310.30/68,031.60 = 28,074.53/x
  3. Step 3: Cross multiply
    49,310.30x = 68,031.60 × 28,074.53
  4. Step 4: Simplify right side
    49,310.30x = 1,909,955,259.95
  5. Step 5: Solve for x
    x = 1,909,955,259.95/49,310.30
  6. Step 6: Final answer
    x = 38,733.39

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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.