Home / 20,179.44-30,254.85-7,700.04

Finding the Fourth Proportional to 20,179.44, 30,254.85 and 7,700.04

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Solution

The fourth proportional to 20,179.44, 30,254.85 and 7,700.04 is: 11,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.44 : 30,254.85 = 7,700.04 : x
  2. Step 2: Convert to fraction form
    20,179.44/30,254.85 = 7,700.04/x
  3. Step 3: Cross multiply
    20,179.44x = 30,254.85 × 7,700.04
  4. Step 4: Simplify right side
    20,179.44x = 232,963,555.19
  5. Step 5: Solve for x
    x = 232,963,555.19/20,179.44
  6. Step 6: Final answer
    x = 11,544.60

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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.