Home / 47,129.88-65,037.56-25,909

Finding the Fourth Proportional to 47,129.88, 65,037.56 and 25,909

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Solution

The fourth proportional to 47,129.88, 65,037.56 and 25,909 is: 35,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.88 : 65,037.56 = 25,909 : x
  2. Step 2: Convert to fraction form
    47,129.88/65,037.56 = 25,909/x
  3. Step 3: Cross multiply
    47,129.88x = 65,037.56 × 25,909
  4. Step 4: Simplify right side
    47,129.88x = 1,685,058,142.04
  5. Step 5: Solve for x
    x = 1,685,058,142.04/47,129.88
  6. Step 6: Final answer
    x = 35,753.50

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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.