Home / 54,739.20-75,436.88-39,606.24

Finding the Fourth Proportional to 54,739.20, 75,436.88 and 39,606.24

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Solution

The fourth proportional to 54,739.20, 75,436.88 and 39,606.24 is: 54,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,739.20 : 75,436.88 = 39,606.24 : x
  2. Step 2: Convert to fraction form
    54,739.20/75,436.88 = 39,606.24/x
  3. Step 3: Cross multiply
    54,739.20x = 75,436.88 × 39,606.24
  4. Step 4: Simplify right side
    54,739.20x = 2,987,770,976.10
  5. Step 5: Solve for x
    x = 2,987,770,976.10/54,739.20
  6. Step 6: Final answer
    x = 54,581.93

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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.