Home / 47,140.36-65,054.82-25,921

Finding the Fourth Proportional to 47,140.36, 65,054.82 and 25,921

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Solution

The fourth proportional to 47,140.36, 65,054.82 and 25,921 is: 35,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,140.36 : 65,054.82 = 25,921 : x
  2. Step 2: Convert to fraction form
    47,140.36/65,054.82 = 25,921/x
  3. Step 3: Cross multiply
    47,140.36x = 65,054.82 × 25,921
  4. Step 4: Simplify right side
    47,140.36x = 1,686,285,989.22
  5. Step 5: Solve for x
    x = 1,686,285,989.22/47,140.36
  6. Step 6: Final answer
    x = 35,771.60

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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.