Home / 54,228.31-81,345.34-16,814.23

Finding the Fourth Proportional to 54,228.31, 81,345.34 and 16,814.23

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Solution

The fourth proportional to 54,228.31, 81,345.34 and 16,814.23 is: 25,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,228.31 : 81,345.34 = 16,814.23 : x
  2. Step 2: Convert to fraction form
    54,228.31/81,345.34 = 16,814.23/x
  3. Step 3: Cross multiply
    54,228.31x = 81,345.34 × 16,814.23
  4. Step 4: Simplify right side
    54,228.31x = 1,367,759,073.84
  5. Step 5: Solve for x
    x = 1,367,759,073.84/54,228.31
  6. Step 6: Final answer
    x = 25,222.23

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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.