Home / 55,443.06-76,511.41-29,949.42

Finding the Fourth Proportional to 55,443.06, 76,511.41 and 29,949.42

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Solution

The fourth proportional to 55,443.06, 76,511.41 and 29,949.42 is: 41,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,443.06 : 76,511.41 = 29,949.42 : x
  2. Step 2: Convert to fraction form
    55,443.06/76,511.41 = 29,949.42/x
  3. Step 3: Cross multiply
    55,443.06x = 76,511.41 × 29,949.42
  4. Step 4: Simplify right side
    55,443.06x = 2,291,472,352.88
  5. Step 5: Solve for x
    x = 2,291,472,352.88/55,443.06
  6. Step 6: Final answer
    x = 41,330.19

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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.