Home / 64,819.56-97,229.36-20,450.82

Finding the Fourth Proportional to 64,819.56, 97,229.36 and 20,450.82

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Solution

The fourth proportional to 64,819.56, 97,229.36 and 20,450.82 is: 30,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,819.56 : 97,229.36 = 20,450.82 : x
  2. Step 2: Convert to fraction form
    64,819.56/97,229.36 = 20,450.82/x
  3. Step 3: Cross multiply
    64,819.56x = 97,229.36 × 20,450.82
  4. Step 4: Simplify right side
    64,819.56x = 1,988,420,140.08
  5. Step 5: Solve for x
    x = 1,988,420,140.08/64,819.56
  6. Step 6: Final answer
    x = 30,676.24

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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.