Home / 35,936.09-53,904.59-20,138.66

Finding the Fourth Proportional to 35,936.09, 53,904.59 and 20,138.66

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Solution

The fourth proportional to 35,936.09, 53,904.59 and 20,138.66 is: 30,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,936.09 : 53,904.59 = 20,138.66 : x
  2. Step 2: Convert to fraction form
    35,936.09/53,904.59 = 20,138.66/x
  3. Step 3: Cross multiply
    35,936.09x = 53,904.59 × 20,138.66
  4. Step 4: Simplify right side
    35,936.09x = 1,085,566,117.90
  5. Step 5: Solve for x
    x = 1,085,566,117.90/35,936.09
  6. Step 6: Final answer
    x = 30,208.24

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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.