Home / 54,939.22-75,803.52-31,060.69

Finding the Fourth Proportional to 54,939.22, 75,803.52 and 31,060.69

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Solution

The fourth proportional to 54,939.22, 75,803.52 and 31,060.69 is: 42,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939.22 : 75,803.52 = 31,060.69 : x
  2. Step 2: Convert to fraction form
    54,939.22/75,803.52 = 31,060.69/x
  3. Step 3: Cross multiply
    54,939.22x = 75,803.52 × 31,060.69
  4. Step 4: Simplify right side
    54,939.22x = 2,354,509,635.63
  5. Step 5: Solve for x
    x = 2,354,509,635.63/54,939.22
  6. Step 6: Final answer
    x = 42,856.63

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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.