Home / 39,954.08-55,136.40-23,186.72

Finding the Fourth Proportional to 39,954.08, 55,136.40 and 23,186.72

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Solution

The fourth proportional to 39,954.08, 55,136.40 and 23,186.72 is: 31,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.08 : 55,136.40 = 23,186.72 : x
  2. Step 2: Convert to fraction form
    39,954.08/55,136.40 = 23,186.72/x
  3. Step 3: Cross multiply
    39,954.08x = 55,136.40 × 23,186.72
  4. Step 4: Simplify right side
    39,954.08x = 1,278,432,268.61
  5. Step 5: Solve for x
    x = 1,278,432,268.61/39,954.08
  6. Step 6: Final answer
    x = 31,997.54

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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.