Home / 36,087.56-49,783.92-21,930.92

Finding the Fourth Proportional to 36,087.56, 49,783.92 and 21,930.92

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Solution

The fourth proportional to 36,087.56, 49,783.92 and 21,930.92 is: 30,254.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,087.56 : 49,783.92 = 21,930.92 : x
  2. Step 2: Convert to fraction form
    36,087.56/49,783.92 = 21,930.92/x
  3. Step 3: Cross multiply
    36,087.56x = 49,783.92 × 21,930.92
  4. Step 4: Simplify right side
    36,087.56x = 1,091,807,166.81
  5. Step 5: Solve for x
    x = 1,091,807,166.81/36,087.56
  6. Step 6: Final answer
    x = 30,254.39

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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.