Home / 26,106.68-39,110.70-20,234.54

Finding the Fourth Proportional to 26,106.68, 39,110.70 and 20,234.54

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Solution

The fourth proportional to 26,106.68, 39,110.70 and 20,234.54 is: 30,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,106.68 : 39,110.70 = 20,234.54 : x
  2. Step 2: Convert to fraction form
    26,106.68/39,110.70 = 20,234.54/x
  3. Step 3: Cross multiply
    26,106.68x = 39,110.70 × 20,234.54
  4. Step 4: Simplify right side
    26,106.68x = 791,387,023.58
  5. Step 5: Solve for x
    x = 791,387,023.58/26,106.68
  6. Step 6: Final answer
    x = 30,313.58

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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.