Home / 54,358.01-81,544.71-16,921.86

Finding the Fourth Proportional to 54,358.01, 81,544.71 and 16,921.86

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Solution

The fourth proportional to 54,358.01, 81,544.71 and 16,921.86 is: 25,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,358.01 : 81,544.71 = 16,921.86 : x
  2. Step 2: Convert to fraction form
    54,358.01/81,544.71 = 16,921.86/x
  3. Step 3: Cross multiply
    54,358.01x = 81,544.71 × 16,921.86
  4. Step 4: Simplify right side
    54,358.01x = 1,379,888,166.36
  5. Step 5: Solve for x
    x = 1,379,888,166.36/54,358.01
  6. Step 6: Final answer
    x = 25,385.19

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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.