Home / 54,158.90-74,738.77-30,285.30

Finding the Fourth Proportional to 54,158.90, 74,738.77 and 30,285.30

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Solution

The fourth proportional to 54,158.90, 74,738.77 and 30,285.30 is: 41,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,158.90 : 74,738.77 = 30,285.30 : x
  2. Step 2: Convert to fraction form
    54,158.90/74,738.77 = 30,285.30/x
  3. Step 3: Cross multiply
    54,158.90x = 74,738.77 × 30,285.30
  4. Step 4: Simplify right side
    54,158.90x = 2,263,486,071.08
  5. Step 5: Solve for x
    x = 2,263,486,071.08/54,158.90
  6. Step 6: Final answer
    x = 41,793.43

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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.