Home / 48,519.08-72,778.62-13,458.74

Finding the Fourth Proportional to 48,519.08, 72,778.62 and 13,458.74

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Solution

The fourth proportional to 48,519.08, 72,778.62 and 13,458.74 is: 20,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,519.08 : 72,778.62 = 13,458.74 : x
  2. Step 2: Convert to fraction form
    48,519.08/72,778.62 = 13,458.74/x
  3. Step 3: Cross multiply
    48,519.08x = 72,778.62 × 13,458.74
  4. Step 4: Simplify right side
    48,519.08x = 979,508,092.95
  5. Step 5: Solve for x
    x = 979,508,092.95/48,519.08
  6. Step 6: Final answer
    x = 20,188.10

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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.