Home / 36,630.60-55,010.70-28,330.80

Finding the Fourth Proportional to 36,630.60, 55,010.70 and 28,330.80

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Solution

The fourth proportional to 36,630.60, 55,010.70 and 28,330.80 is: 42,546.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,630.60 : 55,010.70 = 28,330.80 : x
  2. Step 2: Convert to fraction form
    36,630.60/55,010.70 = 28,330.80/x
  3. Step 3: Cross multiply
    36,630.60x = 55,010.70 × 28,330.80
  4. Step 4: Simplify right side
    36,630.60x = 1,558,497,139.56
  5. Step 5: Solve for x
    x = 1,558,497,139.56/36,630.60
  6. Step 6: Final answer
    x = 42,546.32

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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.