Home / 54,816.10-82,173.75-19,747.18

Finding the Fourth Proportional to 54,816.10, 82,173.75 and 19,747.18

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Solution

The fourth proportional to 54,816.10, 82,173.75 and 19,747.18 is: 29,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,816.10 : 82,173.75 = 19,747.18 : x
  2. Step 2: Convert to fraction form
    54,816.10/82,173.75 = 19,747.18/x
  3. Step 3: Cross multiply
    54,816.10x = 82,173.75 × 19,747.18
  4. Step 4: Simplify right side
    54,816.10x = 1,622,699,832.53
  5. Step 5: Solve for x
    x = 1,622,699,832.53/54,816.10
  6. Step 6: Final answer
    x = 29,602.61

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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.