Home / 48,766.82-67,327.22-30,877.16

Finding the Fourth Proportional to 48,766.82, 67,327.22 and 30,877.16

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Solution

The fourth proportional to 48,766.82, 67,327.22 and 30,877.16 is: 42,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,766.82 : 67,327.22 = 30,877.16 : x
  2. Step 2: Convert to fraction form
    48,766.82/67,327.22 = 30,877.16/x
  3. Step 3: Cross multiply
    48,766.82x = 67,327.22 × 30,877.16
  4. Step 4: Simplify right side
    48,766.82x = 2,078,873,189.91
  5. Step 5: Solve for x
    x = 2,078,873,189.91/48,766.82
  6. Step 6: Final answer
    x = 42,628.84

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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.