Home / 47,858.34-66,033.21-40,230.61

Finding the Fourth Proportional to 47,858.34, 66,033.21 and 40,230.61

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Solution

The fourth proportional to 47,858.34, 66,033.21 and 40,230.61 is: 55,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,858.34 : 66,033.21 = 40,230.61 : x
  2. Step 2: Convert to fraction form
    47,858.34/66,033.21 = 40,230.61/x
  3. Step 3: Cross multiply
    47,858.34x = 66,033.21 × 40,230.61
  4. Step 4: Simplify right side
    47,858.34x = 2,656,556,078.04
  5. Step 5: Solve for x
    x = 2,656,556,078.04/47,858.34
  6. Step 6: Final answer
    x = 55,508.74

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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.