Home / 54,570.20-81,863.50-19,507.12

Finding the Fourth Proportional to 54,570.20, 81,863.50 and 19,507.12

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Solution

The fourth proportional to 54,570.20, 81,863.50 and 19,507.12 is: 29,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,570.20 : 81,863.50 = 19,507.12 : x
  2. Step 2: Convert to fraction form
    54,570.20/81,863.50 = 19,507.12/x
  3. Step 3: Cross multiply
    54,570.20x = 81,863.50 × 19,507.12
  4. Step 4: Simplify right side
    54,570.20x = 1,596,921,118.12
  5. Step 5: Solve for x
    x = 1,596,921,118.12/54,570.20
  6. Step 6: Final answer
    x = 29,263.61

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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.