Home / 47,137.78-65,051.37-25,628.97

Finding the Fourth Proportional to 47,137.78, 65,051.37 and 25,628.97

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Solution

The fourth proportional to 47,137.78, 65,051.37 and 25,628.97 is: 35,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,137.78 : 65,051.37 = 25,628.97 : x
  2. Step 2: Convert to fraction form
    47,137.78/65,051.37 = 25,628.97/x
  3. Step 3: Cross multiply
    47,137.78x = 65,051.37 × 25,628.97
  4. Step 4: Simplify right side
    47,137.78x = 1,667,199,854.13
  5. Step 5: Solve for x
    x = 1,667,199,854.13/47,137.78
  6. Step 6: Final answer
    x = 35,368.65

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1.5x scale

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.