Home / 54,037.05-81,055.50-30,036.61

Finding the Fourth Proportional to 54,037.05, 81,055.50 and 30,036.61

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Solution

The fourth proportional to 54,037.05, 81,055.50 and 30,036.61 is: 45,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,037.05 : 81,055.50 = 30,036.61 : x
  2. Step 2: Convert to fraction form
    54,037.05/81,055.50 = 30,036.61/x
  3. Step 3: Cross multiply
    54,037.05x = 81,055.50 × 30,036.61
  4. Step 4: Simplify right side
    54,037.05x = 2,434,632,441.86
  5. Step 5: Solve for x
    x = 2,434,632,441.86/54,037.05
  6. Step 6: Final answer
    x = 45,054.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.