Home / 54,601.48-75,349.16-30,728.14

Finding the Fourth Proportional to 54,601.48, 75,349.16 and 30,728.14

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Solution

The fourth proportional to 54,601.48, 75,349.16 and 30,728.14 is: 42,404.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,601.48 : 75,349.16 = 30,728.14 : x
  2. Step 2: Convert to fraction form
    54,601.48/75,349.16 = 30,728.14/x
  3. Step 3: Cross multiply
    54,601.48x = 75,349.16 × 30,728.14
  4. Step 4: Simplify right side
    54,601.48x = 2,315,339,537.36
  5. Step 5: Solve for x
    x = 2,315,339,537.36/54,601.48
  6. Step 6: Final answer
    x = 42,404.34

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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.