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Finding the Fourth Proportional to 34,961.32, 48,245.07 and 19,045.90

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Solution

The fourth proportional to 34,961.32, 48,245.07 and 19,045.90 is: 26,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,961.32 : 48,245.07 = 19,045.90 : x
  2. Step 2: Convert to fraction form
    34,961.32/48,245.07 = 19,045.90/x
  3. Step 3: Cross multiply
    34,961.32x = 48,245.07 × 19,045.90
  4. Step 4: Simplify right side
    34,961.32x = 918,870,778.71
  5. Step 5: Solve for x
    x = 918,870,778.71/34,961.32
  6. Step 6: Final answer
    x = 26,282.50

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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.