Home / 34,126.85-51,189.77-20,803.77

Finding the Fourth Proportional to 34,126.85, 51,189.77 and 20,803.77

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Solution

The fourth proportional to 34,126.85, 51,189.77 and 20,803.77 is: 31,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,126.85 : 51,189.77 = 20,803.77 : x
  2. Step 2: Convert to fraction form
    34,126.85/51,189.77 = 20,803.77/x
  3. Step 3: Cross multiply
    34,126.85x = 51,189.77 × 20,803.77
  4. Step 4: Simplify right side
    34,126.85x = 1,064,940,253.44
  5. Step 5: Solve for x
    x = 1,064,940,253.44/34,126.85
  6. Step 6: Final answer
    x = 31,205.35

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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.