Home / 54,216.15-74,818.17-30,347.43

Finding the Fourth Proportional to 54,216.15, 74,818.17 and 30,347.43

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Solution

The fourth proportional to 54,216.15, 74,818.17 and 30,347.43 is: 41,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216.15 : 74,818.17 = 30,347.43 : x
  2. Step 2: Convert to fraction form
    54,216.15/74,818.17 = 30,347.43/x
  3. Step 3: Cross multiply
    54,216.15x = 74,818.17 × 30,347.43
  4. Step 4: Simplify right side
    54,216.15x = 2,270,539,176.80
  5. Step 5: Solve for x
    x = 2,270,539,176.80/54,216.15
  6. Step 6: Final answer
    x = 41,879.39

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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.