Home / 30,675.06-42,330.42-17,247.56

Finding the Fourth Proportional to 30,675.06, 42,330.42 and 17,247.56

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Solution

The fourth proportional to 30,675.06, 42,330.42 and 17,247.56 is: 23,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,675.06 : 42,330.42 = 17,247.56 : x
  2. Step 2: Convert to fraction form
    30,675.06/42,330.42 = 17,247.56/x
  3. Step 3: Cross multiply
    30,675.06x = 42,330.42 × 17,247.56
  4. Step 4: Simplify right side
    30,675.06x = 730,096,247.12
  5. Step 5: Solve for x
    x = 730,096,247.12/30,675.06
  6. Step 6: Final answer
    x = 23,800.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.