Home / 55,449-76,520.16-30,299.04

Finding the Fourth Proportional to 55,449, 76,520.16 and 30,299.04

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Solution

The fourth proportional to 55,449, 76,520.16 and 30,299.04 is: 41,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,449 : 76,520.16 = 30,299.04 : x
  2. Step 2: Convert to fraction form
    55,449/76,520.16 = 30,299.04/x
  3. Step 3: Cross multiply
    55,449x = 76,520.16 × 30,299.04
  4. Step 4: Simplify right side
    55,449x = 2,318,487,388.65
  5. Step 5: Solve for x
    x = 2,318,487,388.65/55,449
  6. Step 6: Final answer
    x = 41,812.97

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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.