Home / 54,601.10-75,349.27-30,728.18

Finding the Fourth Proportional to 54,601.10, 75,349.27 and 30,728.18

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Solution

The fourth proportional to 54,601.10, 75,349.27 and 30,728.18 is: 42,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,601.10 : 75,349.27 = 30,728.18 : x
  2. Step 2: Convert to fraction form
    54,601.10/75,349.27 = 30,728.18/x
  3. Step 3: Cross multiply
    54,601.10x = 75,349.27 × 30,728.18
  4. Step 4: Simplify right side
    54,601.10x = 2,315,345,931.43
  5. Step 5: Solve for x
    x = 2,315,345,931.43/54,601.10
  6. Step 6: Final answer
    x = 42,404.75

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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.