Home / 34,173.70-51,235.95-20,998.85

Finding the Fourth Proportional to 34,173.70, 51,235.95 and 20,998.85

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Solution

The fourth proportional to 34,173.70, 51,235.95 and 20,998.85 is: 31,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,173.70 : 51,235.95 = 20,998.85 : x
  2. Step 2: Convert to fraction form
    34,173.70/51,235.95 = 20,998.85/x
  3. Step 3: Cross multiply
    34,173.70x = 51,235.95 × 20,998.85
  4. Step 4: Simplify right side
    34,173.70x = 1,075,895,923.66
  5. Step 5: Solve for x
    x = 1,075,895,923.66/34,173.70
  6. Step 6: Final answer
    x = 31,483.16

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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.