Home / 54,215.99-74,818.44-30,344.88

Finding the Fourth Proportional to 54,215.99, 74,818.44 and 30,344.88

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Solution

The fourth proportional to 54,215.99, 74,818.44 and 30,344.88 is: 41,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,215.99 : 74,818.44 = 30,344.88 : x
  2. Step 2: Convert to fraction form
    54,215.99/74,818.44 = 30,344.88/x
  3. Step 3: Cross multiply
    54,215.99x = 74,818.44 × 30,344.88
  4. Step 4: Simplify right side
    54,215.99x = 2,270,356,583.59
  5. Step 5: Solve for x
    x = 2,270,356,583.59/54,215.99
  6. Step 6: Final answer
    x = 41,876.15

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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.