Home / 39,270.88-54,190.74-22,275.28

Finding the Fourth Proportional to 39,270.88, 54,190.74 and 22,275.28

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Solution

The fourth proportional to 39,270.88, 54,190.74 and 22,275.28 is: 30,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,270.88 : 54,190.74 = 22,275.28 : x
  2. Step 2: Convert to fraction form
    39,270.88/54,190.74 = 22,275.28/x
  3. Step 3: Cross multiply
    39,270.88x = 54,190.74 × 22,275.28
  4. Step 4: Simplify right side
    39,270.88x = 1,207,113,906.91
  5. Step 5: Solve for x
    x = 1,207,113,906.91/39,270.88
  6. Step 6: Final answer
    x = 30,738.14

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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.