Home / 30,208.20-41,687.60-17,630.52

Finding the Fourth Proportional to 30,208.20, 41,687.60 and 17,630.52

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Solution

The fourth proportional to 30,208.20, 41,687.60 and 17,630.52 is: 24,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.20 : 41,687.60 = 17,630.52 : x
  2. Step 2: Convert to fraction form
    30,208.20/41,687.60 = 17,630.52/x
  3. Step 3: Cross multiply
    30,208.20x = 41,687.60 × 17,630.52
  4. Step 4: Simplify right side
    30,208.20x = 734,974,065.55
  5. Step 5: Solve for x
    x = 734,974,065.55/30,208.20
  6. Step 6: Final answer
    x = 24,330.28

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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.