Home / 34,724.18-47,919.12-19,621.73

Finding the Fourth Proportional to 34,724.18, 47,919.12 and 19,621.73

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Solution

The fourth proportional to 34,724.18, 47,919.12 and 19,621.73 is: 27,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,724.18 : 47,919.12 = 19,621.73 : x
  2. Step 2: Convert to fraction form
    34,724.18/47,919.12 = 19,621.73/x
  3. Step 3: Cross multiply
    34,724.18x = 47,919.12 × 19,621.73
  4. Step 4: Simplify right side
    34,724.18x = 940,255,794.88
  5. Step 5: Solve for x
    x = 940,255,794.88/34,724.18
  6. Step 6: Final answer
    x = 27,077.84

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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.