Home / 48,852.90-67,427.91-28,716.21

Finding the Fourth Proportional to 48,852.90, 67,427.91 and 28,716.21

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Solution

The fourth proportional to 48,852.90, 67,427.91 and 28,716.21 is: 39,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,852.90 : 67,427.91 = 28,716.21 : x
  2. Step 2: Convert to fraction form
    48,852.90/67,427.91 = 28,716.21/x
  3. Step 3: Cross multiply
    48,852.90x = 67,427.91 × 28,716.21
  4. Step 4: Simplify right side
    48,852.90x = 1,936,274,023.42
  5. Step 5: Solve for x
    x = 1,936,274,023.42/48,852.90
  6. Step 6: Final answer
    x = 39,634.78

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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.