Home / 36,819.63-50,809.68-20,903.13

Finding the Fourth Proportional to 36,819.63, 50,809.68 and 20,903.13

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Solution

The fourth proportional to 36,819.63, 50,809.68 and 20,903.13 is: 28,845.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,819.63 : 50,809.68 = 20,903.13 : x
  2. Step 2: Convert to fraction form
    36,819.63/50,809.68 = 20,903.13/x
  3. Step 3: Cross multiply
    36,819.63x = 50,809.68 × 20,903.13
  4. Step 4: Simplify right side
    36,819.63x = 1,062,081,346.30
  5. Step 5: Solve for x
    x = 1,062,081,346.30/36,819.63
  6. Step 6: Final answer
    x = 28,845.52

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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.