Home / 40,249.08-55,509.62-25,911.40

Finding the Fourth Proportional to 40,249.08, 55,509.62 and 25,911.40

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Solution

The fourth proportional to 40,249.08, 55,509.62 and 25,911.40 is: 35,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,249.08 : 55,509.62 = 25,911.40 : x
  2. Step 2: Convert to fraction form
    40,249.08/55,509.62 = 25,911.40/x
  3. Step 3: Cross multiply
    40,249.08x = 55,509.62 × 25,911.40
  4. Step 4: Simplify right side
    40,249.08x = 1,438,331,967.67
  5. Step 5: Solve for x
    x = 1,438,331,967.67/40,249.08
  6. Step 6: Final answer
    x = 35,735.77

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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.