Home / 54,870.52-82,305.18-13,317.52

Finding the Fourth Proportional to 54,870.52, 82,305.18 and 13,317.52

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Solution

The fourth proportional to 54,870.52, 82,305.18 and 13,317.52 is: 19,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,870.52 : 82,305.18 = 13,317.52 : x
  2. Step 2: Convert to fraction form
    54,870.52/82,305.18 = 13,317.52/x
  3. Step 3: Cross multiply
    54,870.52x = 82,305.18 × 13,317.52
  4. Step 4: Simplify right side
    54,870.52x = 1,096,100,880.75
  5. Step 5: Solve for x
    x = 1,096,100,880.75/54,870.52
  6. Step 6: Final answer
    x = 19,976.13

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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.