Home / 54,285.20-74,911.77-30,085.14

Finding the Fourth Proportional to 54,285.20, 74,911.77 and 30,085.14

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Solution

The fourth proportional to 54,285.20, 74,911.77 and 30,085.14 is: 41,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285.20 : 74,911.77 = 30,085.14 : x
  2. Step 2: Convert to fraction form
    54,285.20/74,911.77 = 30,085.14/x
  3. Step 3: Cross multiply
    54,285.20x = 74,911.77 × 30,085.14
  4. Step 4: Simplify right side
    54,285.20x = 2,253,730,731.97
  5. Step 5: Solve for x
    x = 2,253,730,731.97/54,285.20
  6. Step 6: Final answer
    x = 41,516.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.