Home / 35,986.26-49,661.13-20,071.74

Finding the Fourth Proportional to 35,986.26, 49,661.13 and 20,071.74

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Solution

The fourth proportional to 35,986.26, 49,661.13 and 20,071.74 is: 27,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,986.26 : 49,661.13 = 20,071.74 : x
  2. Step 2: Convert to fraction form
    35,986.26/49,661.13 = 20,071.74/x
  3. Step 3: Cross multiply
    35,986.26x = 49,661.13 × 20,071.74
  4. Step 4: Simplify right side
    35,986.26x = 996,785,289.47
  5. Step 5: Solve for x
    x = 996,785,289.47/35,986.26
  6. Step 6: Final answer
    x = 27,699.05

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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.