Home / 20,020.01-30,025.35-7,541.28

Finding the Fourth Proportional to 20,020.01, 30,025.35 and 7,541.28

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Solution

The fourth proportional to 20,020.01, 30,025.35 and 7,541.28 is: 11,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.01 : 30,025.35 = 7,541.28 : x
  2. Step 2: Convert to fraction form
    20,020.01/30,025.35 = 7,541.28/x
  3. Step 3: Cross multiply
    20,020.01x = 30,025.35 × 7,541.28
  4. Step 4: Simplify right side
    20,020.01x = 226,429,571.45
  5. Step 5: Solve for x
    x = 226,429,571.45/20,020.01
  6. Step 6: Final answer
    x = 11,310.17

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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.