Home / 54,016.14-74,534.81-30,138.18

Finding the Fourth Proportional to 54,016.14, 74,534.81 and 30,138.18

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Solution

The fourth proportional to 54,016.14, 74,534.81 and 30,138.18 is: 41,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,016.14 : 74,534.81 = 30,138.18 : x
  2. Step 2: Convert to fraction form
    54,016.14/74,534.81 = 30,138.18/x
  3. Step 3: Cross multiply
    54,016.14x = 74,534.81 × 30,138.18
  4. Step 4: Simplify right side
    54,016.14x = 2,246,343,520.05
  5. Step 5: Solve for x
    x = 2,246,343,520.05/54,016.14
  6. Step 6: Final answer
    x = 41,586.52

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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.