Home / 47,015.92-64,878.60-25,791.76

Finding the Fourth Proportional to 47,015.92, 64,878.60 and 25,791.76

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Solution

The fourth proportional to 47,015.92, 64,878.60 and 25,791.76 is: 35,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,015.92 : 64,878.60 = 25,791.76 : x
  2. Step 2: Convert to fraction form
    47,015.92/64,878.60 = 25,791.76/x
  3. Step 3: Cross multiply
    47,015.92x = 64,878.60 × 25,791.76
  4. Step 4: Simplify right side
    47,015.92x = 1,673,333,280.34
  5. Step 5: Solve for x
    x = 1,673,333,280.34/47,015.92
  6. Step 6: Final answer
    x = 35,590.78

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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.