Home / 39,961.04-55,144.73-22,055.72

Finding the Fourth Proportional to 39,961.04, 55,144.73 and 22,055.72

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Solution

The fourth proportional to 39,961.04, 55,144.73 and 22,055.72 is: 30,436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.04 : 55,144.73 = 22,055.72 : x
  2. Step 2: Convert to fraction form
    39,961.04/55,144.73 = 22,055.72/x
  3. Step 3: Cross multiply
    39,961.04x = 55,144.73 × 22,055.72
  4. Step 4: Simplify right side
    39,961.04x = 1,216,256,503.77
  5. Step 5: Solve for x
    x = 1,216,256,503.77/39,961.04
  6. Step 6: Final answer
    x = 30,436.06

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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.