Home / 35,986.17-49,660.39-20,070.28

Finding the Fourth Proportional to 35,986.17, 49,660.39 and 20,070.28

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Solution

The fourth proportional to 35,986.17, 49,660.39 and 20,070.28 is: 27,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,986.17 : 49,660.39 = 20,070.28 : x
  2. Step 2: Convert to fraction form
    35,986.17/49,660.39 = 20,070.28/x
  3. Step 3: Cross multiply
    35,986.17x = 49,660.39 × 20,070.28
  4. Step 4: Simplify right side
    35,986.17x = 996,698,019.37
  5. Step 5: Solve for x
    x = 996,698,019.37/35,986.17
  6. Step 6: Final answer
    x = 27,696.69

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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.