Home / 40,176.90-55,448.46-23,185.08

Finding the Fourth Proportional to 40,176.90, 55,448.46 and 23,185.08

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Solution

The fourth proportional to 40,176.90, 55,448.46 and 23,185.08 is: 31,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,176.90 : 55,448.46 = 23,185.08 : x
  2. Step 2: Convert to fraction form
    40,176.90/55,448.46 = 23,185.08/x
  3. Step 3: Cross multiply
    40,176.90x = 55,448.46 × 23,185.08
  4. Step 4: Simplify right side
    40,176.90x = 1,285,576,980.98
  5. Step 5: Solve for x
    x = 1,285,576,980.98/40,176.90
  6. Step 6: Final answer
    x = 31,997.91

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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.