Home / 34,821.20-52,231.80-20,075.60

Finding the Fourth Proportional to 34,821.20, 52,231.80 and 20,075.60

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Solution

The fourth proportional to 34,821.20, 52,231.80 and 20,075.60 is: 30,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,821.20 : 52,231.80 = 20,075.60 : x
  2. Step 2: Convert to fraction form
    34,821.20/52,231.80 = 20,075.60/x
  3. Step 3: Cross multiply
    34,821.20x = 52,231.80 × 20,075.60
  4. Step 4: Simplify right side
    34,821.20x = 1,048,584,724.08
  5. Step 5: Solve for x
    x = 1,048,584,724.08/34,821.20
  6. Step 6: Final answer
    x = 30,113.40

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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.