Home / 54,579.56-81,869.34-19,529.24

Finding the Fourth Proportional to 54,579.56, 81,869.34 and 19,529.24

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Solution

The fourth proportional to 54,579.56, 81,869.34 and 19,529.24 is: 29,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579.56 : 81,869.34 = 19,529.24 : x
  2. Step 2: Convert to fraction form
    54,579.56/81,869.34 = 19,529.24/x
  3. Step 3: Cross multiply
    54,579.56x = 81,869.34 × 19,529.24
  4. Step 4: Simplify right side
    54,579.56x = 1,598,845,989.50
  5. Step 5: Solve for x
    x = 1,598,845,989.50/54,579.56
  6. Step 6: Final answer
    x = 29,293.86

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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.