Home / 54,597.72-75,344.61-30,724.79

Finding the Fourth Proportional to 54,597.72, 75,344.61 and 30,724.79

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Solution

The fourth proportional to 54,597.72, 75,344.61 and 30,724.79 is: 42,400.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,597.72 : 75,344.61 = 30,724.79 : x
  2. Step 2: Convert to fraction form
    54,597.72/75,344.61 = 30,724.79/x
  3. Step 3: Cross multiply
    54,597.72x = 75,344.61 × 30,724.79
  4. Step 4: Simplify right side
    54,597.72x = 2,314,947,508.24
  5. Step 5: Solve for x
    x = 2,314,947,508.24/54,597.72
  6. Step 6: Final answer
    x = 42,400.08

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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.