Home / 39,880.08-55,028.79-22,885.02

Finding the Fourth Proportional to 39,880.08, 55,028.79 and 22,885.02

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Solution

The fourth proportional to 39,880.08, 55,028.79 and 22,885.02 is: 31,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,880.08 : 55,028.79 = 22,885.02 : x
  2. Step 2: Convert to fraction form
    39,880.08/55,028.79 = 22,885.02/x
  3. Step 3: Cross multiply
    39,880.08x = 55,028.79 × 22,885.02
  4. Step 4: Simplify right side
    39,880.08x = 1,259,334,959.73
  5. Step 5: Solve for x
    x = 1,259,334,959.73/39,880.08
  6. Step 6: Final answer
    x = 31,578.04

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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.