Home / 54,826.34-75,662.78-30,953.21

Finding the Fourth Proportional to 54,826.34, 75,662.78 and 30,953.21

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Solution

The fourth proportional to 54,826.34, 75,662.78 and 30,953.21 is: 42,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,826.34 : 75,662.78 = 30,953.21 : x
  2. Step 2: Convert to fraction form
    54,826.34/75,662.78 = 30,953.21/x
  3. Step 3: Cross multiply
    54,826.34x = 75,662.78 × 30,953.21
  4. Step 4: Simplify right side
    54,826.34x = 2,342,005,385.44
  5. Step 5: Solve for x
    x = 2,342,005,385.44/54,826.34
  6. Step 6: Final answer
    x = 42,716.80

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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.