Home / 54,216.24-74,818.79-30,345.13

Finding the Fourth Proportional to 54,216.24, 74,818.79 and 30,345.13

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Solution

The fourth proportional to 54,216.24, 74,818.79 and 30,345.13 is: 41,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216.24 : 74,818.79 = 30,345.13 : x
  2. Step 2: Convert to fraction form
    54,216.24/74,818.79 = 30,345.13/x
  3. Step 3: Cross multiply
    54,216.24x = 74,818.79 × 30,345.13
  4. Step 4: Simplify right side
    54,216.24x = 2,270,385,757.27
  5. Step 5: Solve for x
    x = 2,270,385,757.27/54,216.24
  6. Step 6: Final answer
    x = 41,876.49

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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.