Home / 34,879.08-48,134.07-18,964.62

Finding the Fourth Proportional to 34,879.08, 48,134.07 and 18,964.62

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Solution

The fourth proportional to 34,879.08, 48,134.07 and 18,964.62 is: 26,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,879.08 : 48,134.07 = 18,964.62 : x
  2. Step 2: Convert to fraction form
    34,879.08/48,134.07 = 18,964.62/x
  3. Step 3: Cross multiply
    34,879.08x = 48,134.07 × 18,964.62
  4. Step 4: Simplify right side
    34,879.08x = 912,844,346.60
  5. Step 5: Solve for x
    x = 912,844,346.60/34,879.08
  6. Step 6: Final answer
    x = 26,171.69

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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.