Home / 36,177.74-49,928.35-21,071.78

Finding the Fourth Proportional to 36,177.74, 49,928.35 and 21,071.78

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Solution

The fourth proportional to 36,177.74, 49,928.35 and 21,071.78 is: 29,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,177.74 : 49,928.35 = 21,071.78 : x
  2. Step 2: Convert to fraction form
    36,177.74/49,928.35 = 21,071.78/x
  3. Step 3: Cross multiply
    36,177.74x = 49,928.35 × 21,071.78
  4. Step 4: Simplify right side
    36,177.74x = 1,052,078,957.32
  5. Step 5: Solve for x
    x = 1,052,078,957.32/36,177.74
  6. Step 6: Final answer
    x = 29,080.84

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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.