Home / 39,127.88-53,999.27-22,132.28

Finding the Fourth Proportional to 39,127.88, 53,999.27 and 22,132.28

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Solution

The fourth proportional to 39,127.88, 53,999.27 and 22,132.28 is: 30,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,127.88 : 53,999.27 = 22,132.28 : x
  2. Step 2: Convert to fraction form
    39,127.88/53,999.27 = 22,132.28/x
  3. Step 3: Cross multiply
    39,127.88x = 53,999.27 × 22,132.28
  4. Step 4: Simplify right side
    39,127.88x = 1,195,126,582.78
  5. Step 5: Solve for x
    x = 1,195,126,582.78/39,127.88
  6. Step 6: Final answer
    x = 30,544.12

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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.