Home / 47,394.68-65,407.38-28,537.88

Finding the Fourth Proportional to 47,394.68, 65,407.38 and 28,537.88

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Solution

The fourth proportional to 47,394.68, 65,407.38 and 28,537.88 is: 39,383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,394.68 : 65,407.38 = 28,537.88 : x
  2. Step 2: Convert to fraction form
    47,394.68/65,407.38 = 28,537.88/x
  3. Step 3: Cross multiply
    47,394.68x = 65,407.38 × 28,537.88
  4. Step 4: Simplify right side
    47,394.68x = 1,866,587,961.55
  5. Step 5: Solve for x
    x = 1,866,587,961.55/47,394.68
  6. Step 6: Final answer
    x = 39,383.91

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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.