Home / 35,905.50-49,549.52-19,993.71

Finding the Fourth Proportional to 35,905.50, 49,549.52 and 19,993.71

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Solution

The fourth proportional to 35,905.50, 49,549.52 and 19,993.71 is: 27,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.50 : 49,549.52 = 19,993.71 : x
  2. Step 2: Convert to fraction form
    35,905.50/49,549.52 = 19,993.71/x
  3. Step 3: Cross multiply
    35,905.50x = 49,549.52 × 19,993.71
  4. Step 4: Simplify right side
    35,905.50x = 990,678,829.96
  5. Step 5: Solve for x
    x = 990,678,829.96/35,905.50
  6. Step 6: Final answer
    x = 27,591.28

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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.