Home / 54,113.20-74,674.82-30,240.07

Finding the Fourth Proportional to 54,113.20, 74,674.82 and 30,240.07

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Solution

The fourth proportional to 54,113.20, 74,674.82 and 30,240.07 is: 41,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.20 : 74,674.82 = 30,240.07 : x
  2. Step 2: Convert to fraction form
    54,113.20/74,674.82 = 30,240.07/x
  3. Step 3: Cross multiply
    54,113.20x = 74,674.82 × 30,240.07
  4. Step 4: Simplify right side
    54,113.20x = 2,258,171,672.95
  5. Step 5: Solve for x
    x = 2,258,171,672.95/54,113.20
  6. Step 6: Final answer
    x = 41,730.52

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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.