Home / 57,383.08-79,175.67-34,721.51

Finding the Fourth Proportional to 57,383.08, 79,175.67 and 34,721.51

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Solution

The fourth proportional to 57,383.08, 79,175.67 and 34,721.51 is: 47,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,383.08 : 79,175.67 = 34,721.51 : x
  2. Step 2: Convert to fraction form
    57,383.08/79,175.67 = 34,721.51/x
  3. Step 3: Cross multiply
    57,383.08x = 79,175.67 × 34,721.51
  4. Step 4: Simplify right side
    57,383.08x = 2,749,098,421.78
  5. Step 5: Solve for x
    x = 2,749,098,421.78/57,383.08
  6. Step 6: Final answer
    x = 47,907.83

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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.