Home / 54,911.16-82,366.56-19,850.76

Finding the Fourth Proportional to 54,911.16, 82,366.56 and 19,850.76

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Solution

The fourth proportional to 54,911.16, 82,366.56 and 19,850.76 is: 29,776.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911.16 : 82,366.56 = 19,850.76 : x
  2. Step 2: Convert to fraction form
    54,911.16/82,366.56 = 19,850.76/x
  3. Step 3: Cross multiply
    54,911.16x = 82,366.56 × 19,850.76
  4. Step 4: Simplify right side
    54,911.16x = 1,635,038,814.59
  5. Step 5: Solve for x
    x = 1,635,038,814.59/54,911.16
  6. Step 6: Final answer
    x = 29,776.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.