Home / 20,046.04-30,075.44-6,899.12

Finding the Fourth Proportional to 20,046.04, 30,075.44 and 6,899.12

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Solution

The fourth proportional to 20,046.04, 30,075.44 and 6,899.12 is: 10,350.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.04 : 30,075.44 = 6,899.12 : x
  2. Step 2: Convert to fraction form
    20,046.04/30,075.44 = 6,899.12/x
  3. Step 3: Cross multiply
    20,046.04x = 30,075.44 × 6,899.12
  4. Step 4: Simplify right side
    20,046.04x = 207,494,069.61
  5. Step 5: Solve for x
    x = 207,494,069.61/20,046.04
  6. Step 6: Final answer
    x = 10,350.88

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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.