Home / 54,705.50-82,025.38-21,385.88

Finding the Fourth Proportional to 54,705.50, 82,025.38 and 21,385.88

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Solution

The fourth proportional to 54,705.50, 82,025.38 and 21,385.88 is: 32,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705.50 : 82,025.38 = 21,385.88 : x
  2. Step 2: Convert to fraction form
    54,705.50/82,025.38 = 21,385.88/x
  3. Step 3: Cross multiply
    54,705.50x = 82,025.38 × 21,385.88
  4. Step 4: Simplify right side
    54,705.50x = 1,754,184,523.51
  5. Step 5: Solve for x
    x = 1,754,184,523.51/54,705.50
  6. Step 6: Final answer
    x = 32,065.97

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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.