Home / 54,127.82-74,699.90-30,255.50

Finding the Fourth Proportional to 54,127.82, 74,699.90 and 30,255.50

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Solution

The fourth proportional to 54,127.82, 74,699.90 and 30,255.50 is: 41,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,127.82 : 74,699.90 = 30,255.50 : x
  2. Step 2: Convert to fraction form
    54,127.82/74,699.90 = 30,255.50/x
  3. Step 3: Cross multiply
    54,127.82x = 74,699.90 × 30,255.50
  4. Step 4: Simplify right side
    54,127.82x = 2,260,082,299.67
  5. Step 5: Solve for x
    x = 2,260,082,299.67/54,127.82
  6. Step 6: Final answer
    x = 41,754.55

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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.