Home / 64,546.20-96,819.38-20,173.19

Finding the Fourth Proportional to 64,546.20, 96,819.38 and 20,173.19

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Solution

The fourth proportional to 64,546.20, 96,819.38 and 20,173.19 is: 30,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,546.20 : 96,819.38 = 20,173.19 : x
  2. Step 2: Convert to fraction form
    64,546.20/96,819.38 = 20,173.19/x
  3. Step 3: Cross multiply
    64,546.20x = 96,819.38 × 20,173.19
  4. Step 4: Simplify right side
    64,546.20x = 1,953,155,182.37
  5. Step 5: Solve for x
    x = 1,953,155,182.37/64,546.20
  6. Step 6: Final answer
    x = 30,259.80

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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.