Home / 55,474.91-76,555.72-29,981.21

Finding the Fourth Proportional to 55,474.91, 76,555.72 and 29,981.21

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Solution

The fourth proportional to 55,474.91, 76,555.72 and 29,981.21 is: 41,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,474.91 : 76,555.72 = 29,981.21 : x
  2. Step 2: Convert to fraction form
    55,474.91/76,555.72 = 29,981.21/x
  3. Step 3: Cross multiply
    55,474.91x = 76,555.72 × 29,981.21
  4. Step 4: Simplify right side
    55,474.91x = 2,295,233,389.05
  5. Step 5: Solve for x
    x = 2,295,233,389.05/55,474.91
  6. Step 6: Final answer
    x = 41,374.26

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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.