Home / 54,263.10-81,285.30-30,862.20

Finding the Fourth Proportional to 54,263.10, 81,285.30 and 30,862.20

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Solution

The fourth proportional to 54,263.10, 81,285.30 and 30,862.20 is: 46,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,263.10 : 81,285.30 = 30,862.20 : x
  2. Step 2: Convert to fraction form
    54,263.10/81,285.30 = 30,862.20/x
  3. Step 3: Cross multiply
    54,263.10x = 81,285.30 × 30,862.20
  4. Step 4: Simplify right side
    54,263.10x = 2,508,643,185.66
  5. Step 5: Solve for x
    x = 2,508,643,185.66/54,263.10
  6. Step 6: Final answer
    x = 46,231.11

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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.