Home / 54,479.50-75,177.68-30,610.16

Finding the Fourth Proportional to 54,479.50, 75,177.68 and 30,610.16

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Solution

The fourth proportional to 54,479.50, 75,177.68 and 30,610.16 is: 42,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,479.50 : 75,177.68 = 30,610.16 : x
  2. Step 2: Convert to fraction form
    54,479.50/75,177.68 = 30,610.16/x
  3. Step 3: Cross multiply
    54,479.50x = 75,177.68 × 30,610.16
  4. Step 4: Simplify right side
    54,479.50x = 2,301,200,813.23
  5. Step 5: Solve for x
    x = 2,301,200,813.23/54,479.50
  6. Step 6: Final answer
    x = 42,239.76

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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.