Home / 48,519-72,778.82-16,928.93

Finding the Fourth Proportional to 48,519, 72,778.82 and 16,928.93

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Solution

The fourth proportional to 48,519, 72,778.82 and 16,928.93 is: 25,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,519 : 72,778.82 = 16,928.93 : x
  2. Step 2: Convert to fraction form
    48,519/72,778.82 = 16,928.93/x
  3. Step 3: Cross multiply
    48,519x = 72,778.82 × 16,928.93
  4. Step 4: Simplify right side
    48,519x = 1,232,067,646.56
  5. Step 5: Solve for x
    x = 1,232,067,646.56/48,519
  6. Step 6: Final answer
    x = 25,393.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.