Home / 36,512.20-54,762.90-10,219.60

Finding the Fourth Proportional to 36,512.20, 54,762.90 and 10,219.60

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Solution

The fourth proportional to 36,512.20, 54,762.90 and 10,219.60 is: 15,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,512.20 : 54,762.90 = 10,219.60 : x
  2. Step 2: Convert to fraction form
    36,512.20/54,762.90 = 10,219.60/x
  3. Step 3: Cross multiply
    36,512.20x = 54,762.90 × 10,219.60
  4. Step 4: Simplify right side
    36,512.20x = 559,654,932.84
  5. Step 5: Solve for x
    x = 559,654,932.84/36,512.20
  6. Step 6: Final answer
    x = 15,327.89

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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.