Home / 47,828.39-65,963.87-42,454.75

Finding the Fourth Proportional to 47,828.39, 65,963.87 and 42,454.75

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Solution

The fourth proportional to 47,828.39, 65,963.87 and 42,454.75 is: 58,552.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,828.39 : 65,963.87 = 42,454.75 : x
  2. Step 2: Convert to fraction form
    47,828.39/65,963.87 = 42,454.75/x
  3. Step 3: Cross multiply
    47,828.39x = 65,963.87 × 42,454.75
  4. Step 4: Simplify right side
    47,828.39x = 2,800,479,609.88
  5. Step 5: Solve for x
    x = 2,800,479,609.88/47,828.39
  6. Step 6: Final answer
    x = 58,552.66

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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.