Home / 47,101.78-65,000.82-25,881.40

Finding the Fourth Proportional to 47,101.78, 65,000.82 and 25,881.40

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Solution

The fourth proportional to 47,101.78, 65,000.82 and 25,881.40 is: 35,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,101.78 : 65,000.82 = 25,881.40 : x
  2. Step 2: Convert to fraction form
    47,101.78/65,000.82 = 25,881.40/x
  3. Step 3: Cross multiply
    47,101.78x = 65,000.82 × 25,881.40
  4. Step 4: Simplify right side
    47,101.78x = 1,682,312,222.75
  5. Step 5: Solve for x
    x = 1,682,312,222.75/47,101.78
  6. Step 6: Final answer
    x = 35,716.53

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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.