Home / 53,439.06-73,724.46-30,765.88

Finding the Fourth Proportional to 53,439.06, 73,724.46 and 30,765.88

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Solution

The fourth proportional to 53,439.06, 73,724.46 and 30,765.88 is: 42,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,439.06 : 73,724.46 = 30,765.88 : x
  2. Step 2: Convert to fraction form
    53,439.06/73,724.46 = 30,765.88/x
  3. Step 3: Cross multiply
    53,439.06x = 73,724.46 × 30,765.88
  4. Step 4: Simplify right side
    53,439.06x = 2,268,198,320.43
  5. Step 5: Solve for x
    x = 2,268,198,320.43/53,439.06
  6. Step 6: Final answer
    x = 42,444.58

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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.