Home / 54,816.93-75,645.77-30,945.83

Finding the Fourth Proportional to 54,816.93, 75,645.77 and 30,945.83

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Solution

The fourth proportional to 54,816.93, 75,645.77 and 30,945.83 is: 42,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,816.93 : 75,645.77 = 30,945.83 : x
  2. Step 2: Convert to fraction form
    54,816.93/75,645.77 = 30,945.83/x
  3. Step 3: Cross multiply
    54,816.93x = 75,645.77 × 30,945.83
  4. Step 4: Simplify right side
    54,816.93x = 2,340,920,605.68
  5. Step 5: Solve for x
    x = 2,340,920,605.68/54,816.93
  6. Step 6: Final answer
    x = 42,704.34

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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.