Home / 39,512.88-54,526.04-22,520.81

Finding the Fourth Proportional to 39,512.88, 54,526.04 and 22,520.81

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Solution

The fourth proportional to 39,512.88, 54,526.04 and 22,520.81 is: 31,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,512.88 : 54,526.04 = 22,520.81 : x
  2. Step 2: Convert to fraction form
    39,512.88/54,526.04 = 22,520.81/x
  3. Step 3: Cross multiply
    39,512.88x = 54,526.04 × 22,520.81
  4. Step 4: Simplify right side
    39,512.88x = 1,227,970,201.66
  5. Step 5: Solve for x
    x = 1,227,970,201.66/39,512.88
  6. Step 6: Final answer
    x = 31,077.72

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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.