Home / 57,668.85-79,464.92-42,537.58

Finding the Fourth Proportional to 57,668.85, 79,464.92 and 42,537.58

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Solution

The fourth proportional to 57,668.85, 79,464.92 and 42,537.58 is: 58,614.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,668.85 : 79,464.92 = 42,537.58 : x
  2. Step 2: Convert to fraction form
    57,668.85/79,464.92 = 42,537.58/x
  3. Step 3: Cross multiply
    57,668.85x = 79,464.92 × 42,537.58
  4. Step 4: Simplify right side
    57,668.85x = 3,380,244,980.34
  5. Step 5: Solve for x
    x = 3,380,244,980.34/57,668.85
  6. Step 6: Final answer
    x = 58,614.75

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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.