Home / 36,172.08-54,190.69-21,336.93

Finding the Fourth Proportional to 36,172.08, 54,190.69 and 21,336.93

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Solution

The fourth proportional to 36,172.08, 54,190.69 and 21,336.93 is: 31,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.08 : 54,190.69 = 21,336.93 : x
  2. Step 2: Convert to fraction form
    36,172.08/54,190.69 = 21,336.93/x
  3. Step 3: Cross multiply
    36,172.08x = 54,190.69 × 21,336.93
  4. Step 4: Simplify right side
    36,172.08x = 1,156,262,905.84
  5. Step 5: Solve for x
    x = 1,156,262,905.84/36,172.08
  6. Step 6: Final answer
    x = 31,965.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.