Home / 54,018.44-74,549.18-30,149.76

Finding the Fourth Proportional to 54,018.44, 74,549.18 and 30,149.76

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Solution

The fourth proportional to 54,018.44, 74,549.18 and 30,149.76 is: 41,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,018.44 : 74,549.18 = 30,149.76 : x
  2. Step 2: Convert to fraction form
    54,018.44/74,549.18 = 30,149.76/x
  3. Step 3: Cross multiply
    54,018.44x = 74,549.18 × 30,149.76
  4. Step 4: Simplify right side
    54,018.44x = 2,247,639,885.20
  5. Step 5: Solve for x
    x = 2,247,639,885.20/54,018.44
  6. Step 6: Final answer
    x = 41,608.75

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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.