Home / 34,173.45-51,235.57-20,998.60

Finding the Fourth Proportional to 34,173.45, 51,235.57 and 20,998.60

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Solution

The fourth proportional to 34,173.45, 51,235.57 and 20,998.60 is: 31,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,173.45 : 51,235.57 = 20,998.60 : x
  2. Step 2: Convert to fraction form
    34,173.45/51,235.57 = 20,998.60/x
  3. Step 3: Cross multiply
    34,173.45x = 51,235.57 × 20,998.60
  4. Step 4: Simplify right side
    34,173.45x = 1,075,875,240.20
  5. Step 5: Solve for x
    x = 1,075,875,240.20/34,173.45
  6. Step 6: Final answer
    x = 31,482.78

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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.