Home / 54,318.66-81,443.01-22,720.17

Finding the Fourth Proportional to 54,318.66, 81,443.01 and 22,720.17

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Solution

The fourth proportional to 54,318.66, 81,443.01 and 22,720.17 is: 34,065.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,318.66 : 81,443.01 = 22,720.17 : x
  2. Step 2: Convert to fraction form
    54,318.66/81,443.01 = 22,720.17/x
  3. Step 3: Cross multiply
    54,318.66x = 81,443.01 × 22,720.17
  4. Step 4: Simplify right side
    54,318.66x = 1,850,399,032.51
  5. Step 5: Solve for x
    x = 1,850,399,032.51/54,318.66
  6. Step 6: Final answer
    x = 34,065.62

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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.