Home / 39,127.51-54,003.45-23,220.73

Finding the Fourth Proportional to 39,127.51, 54,003.45 and 23,220.73

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Solution

The fourth proportional to 39,127.51, 54,003.45 and 23,220.73 is: 32,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,127.51 : 54,003.45 = 23,220.73 : x
  2. Step 2: Convert to fraction form
    39,127.51/54,003.45 = 23,220.73/x
  3. Step 3: Cross multiply
    39,127.51x = 54,003.45 × 23,220.73
  4. Step 4: Simplify right side
    39,127.51x = 1,253,999,531.52
  5. Step 5: Solve for x
    x = 1,253,999,531.52/39,127.51
  6. Step 6: Final answer
    x = 32,049.05

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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.