Home / 35,902.76-49,544.70-19,986.86

Finding the Fourth Proportional to 35,902.76, 49,544.70 and 19,986.86

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Solution

The fourth proportional to 35,902.76, 49,544.70 and 19,986.86 is: 27,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,902.76 : 49,544.70 = 19,986.86 : x
  2. Step 2: Convert to fraction form
    35,902.76/49,544.70 = 19,986.86/x
  3. Step 3: Cross multiply
    35,902.76x = 49,544.70 × 19,986.86
  4. Step 4: Simplify right side
    35,902.76x = 990,242,982.64
  5. Step 5: Solve for x
    x = 990,242,982.64/35,902.76
  6. Step 6: Final answer
    x = 27,581.25

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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.