Home / 54,657.88-81,998.34-17,719

Finding the Fourth Proportional to 54,657.88, 81,998.34 and 17,719

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Solution

The fourth proportional to 54,657.88, 81,998.34 and 17,719 is: 26,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,657.88 : 81,998.34 = 17,719 : x
  2. Step 2: Convert to fraction form
    54,657.88/81,998.34 = 17,719/x
  3. Step 3: Cross multiply
    54,657.88x = 81,998.34 × 17,719
  4. Step 4: Simplify right side
    54,657.88x = 1,452,928,586.46
  5. Step 5: Solve for x
    x = 1,452,928,586.46/54,657.88
  6. Step 6: Final answer
    x = 26,582.23

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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.