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Finding the Fourth Proportional to 54,785.50, 82,184.73 and 17,849.50

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Solution

The fourth proportional to 54,785.50, 82,184.73 and 17,849.50 is: 26,776.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785.50 : 82,184.73 = 17,849.50 : x
  2. Step 2: Convert to fraction form
    54,785.50/82,184.73 = 17,849.50/x
  3. Step 3: Cross multiply
    54,785.50x = 82,184.73 × 17,849.50
  4. Step 4: Simplify right side
    54,785.50x = 1,466,956,338.14
  5. Step 5: Solve for x
    x = 1,466,956,338.14/54,785.50
  6. Step 6: Final answer
    x = 26,776.36

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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.