Home / 47,131.40-65,038.62-25,910.66

Finding the Fourth Proportional to 47,131.40, 65,038.62 and 25,910.66

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Solution

The fourth proportional to 47,131.40, 65,038.62 and 25,910.66 is: 35,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,131.40 : 65,038.62 = 25,910.66 : x
  2. Step 2: Convert to fraction form
    47,131.40/65,038.62 = 25,910.66/x
  3. Step 3: Cross multiply
    47,131.40x = 65,038.62 × 25,910.66
  4. Step 4: Simplify right side
    47,131.40x = 1,685,193,569.69
  5. Step 5: Solve for x
    x = 1,685,193,569.69/47,131.40
  6. Step 6: Final answer
    x = 35,755.22

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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.