Home / 35,937.09-53,906.09-20,139.66

Finding the Fourth Proportional to 35,937.09, 53,906.09 and 20,139.66

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Solution

The fourth proportional to 35,937.09, 53,906.09 and 20,139.66 is: 30,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,937.09 : 53,906.09 = 20,139.66 : x
  2. Step 2: Convert to fraction form
    35,937.09/53,906.09 = 20,139.66/x
  3. Step 3: Cross multiply
    35,937.09x = 53,906.09 × 20,139.66
  4. Step 4: Simplify right side
    35,937.09x = 1,085,650,324.53
  5. Step 5: Solve for x
    x = 1,085,650,324.53/35,937.09
  6. Step 6: Final answer
    x = 30,209.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.