Home / 40,161-55,448.16-25,827.24

Finding the Fourth Proportional to 40,161, 55,448.16 and 25,827.24

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Solution

The fourth proportional to 40,161, 55,448.16 and 25,827.24 is: 35,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161 : 55,448.16 = 25,827.24 : x
  2. Step 2: Convert to fraction form
    40,161/55,448.16 = 25,827.24/x
  3. Step 3: Cross multiply
    40,161x = 55,448.16 × 25,827.24
  4. Step 4: Simplify right side
    40,161x = 1,432,072,935.88
  5. Step 5: Solve for x
    x = 1,432,072,935.88/40,161
  6. Step 6: Final answer
    x = 35,658.30

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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.