Home / 55,443.14-76,511.55-29,949.50

Finding the Fourth Proportional to 55,443.14, 76,511.55 and 29,949.50

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Solution

The fourth proportional to 55,443.14, 76,511.55 and 29,949.50 is: 41,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,443.14 : 76,511.55 = 29,949.50 : x
  2. Step 2: Convert to fraction form
    55,443.14/76,511.55 = 29,949.50/x
  3. Step 3: Cross multiply
    55,443.14x = 76,511.55 × 29,949.50
  4. Step 4: Simplify right side
    55,443.14x = 2,291,482,666.73
  5. Step 5: Solve for x
    x = 2,291,482,666.73/55,443.14
  6. Step 6: Final answer
    x = 41,330.32

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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.