Home / 41,039.92-56,631-25,128.88

Finding the Fourth Proportional to 41,039.92, 56,631 and 25,128.88

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Solution

The fourth proportional to 41,039.92, 56,631 and 25,128.88 is: 34,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,039.92 : 56,631 = 25,128.88 : x
  2. Step 2: Convert to fraction form
    41,039.92/56,631 = 25,128.88/x
  3. Step 3: Cross multiply
    41,039.92x = 56,631 × 25,128.88
  4. Step 4: Simplify right side
    41,039.92x = 1,423,073,603.28
  5. Step 5: Solve for x
    x = 1,423,073,603.28/41,039.92
  6. Step 6: Final answer
    x = 34,675.35

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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.