Home / 67,627.48-93,321.84-40,778.68

Finding the Fourth Proportional to 67,627.48, 93,321.84 and 40,778.68

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Solution

The fourth proportional to 67,627.48, 93,321.84 and 40,778.68 is: 56,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,627.48 : 93,321.84 = 40,778.68 : x
  2. Step 2: Convert to fraction form
    67,627.48/93,321.84 = 40,778.68/x
  3. Step 3: Cross multiply
    67,627.48x = 93,321.84 × 40,778.68
  4. Step 4: Simplify right side
    67,627.48x = 3,805,541,450.37
  5. Step 5: Solve for x
    x = 3,805,541,450.37/67,627.48
  6. Step 6: Final answer
    x = 56,272.12

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1.5x scale

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.