Home / 26,108.49-39,103.29-20,450.84

Finding the Fourth Proportional to 26,108.49, 39,103.29 and 20,450.84

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Solution

The fourth proportional to 26,108.49, 39,103.29 and 20,450.84 is: 30,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,108.49 : 39,103.29 = 20,450.84 : x
  2. Step 2: Convert to fraction form
    26,108.49/39,103.29 = 20,450.84/x
  3. Step 3: Cross multiply
    26,108.49x = 39,103.29 × 20,450.84
  4. Step 4: Simplify right side
    26,108.49x = 799,695,127.26
  5. Step 5: Solve for x
    x = 799,695,127.26/26,108.49
  6. Step 6: Final answer
    x = 30,629.70

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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.