Home / 54,406.08-81,624.36-19,349.28

Finding the Fourth Proportional to 54,406.08, 81,624.36 and 19,349.28

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Solution

The fourth proportional to 54,406.08, 81,624.36 and 19,349.28 is: 29,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,406.08 : 81,624.36 = 19,349.28 : x
  2. Step 2: Convert to fraction form
    54,406.08/81,624.36 = 19,349.28/x
  3. Step 3: Cross multiply
    54,406.08x = 81,624.36 × 19,349.28
  4. Step 4: Simplify right side
    54,406.08x = 1,579,372,596.46
  5. Step 5: Solve for x
    x = 1,579,372,596.46/54,406.08
  6. Step 6: Final answer
    x = 29,029.34

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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.