Home / 39,948.44-55,129.02-23,181.08

Finding the Fourth Proportional to 39,948.44, 55,129.02 and 23,181.08

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Solution

The fourth proportional to 39,948.44, 55,129.02 and 23,181.08 is: 31,989.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948.44 : 55,129.02 = 23,181.08 : x
  2. Step 2: Convert to fraction form
    39,948.44/55,129.02 = 23,181.08/x
  3. Step 3: Cross multiply
    39,948.44x = 55,129.02 × 23,181.08
  4. Step 4: Simplify right side
    39,948.44x = 1,277,950,222.94
  5. Step 5: Solve for x
    x = 1,277,950,222.94/39,948.44
  6. Step 6: Final answer
    x = 31,989.99

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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.