Home / 30,635.12-42,274.44-17,206.08

Finding the Fourth Proportional to 30,635.12, 42,274.44 and 17,206.08

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Solution

The fourth proportional to 30,635.12, 42,274.44 and 17,206.08 is: 23,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635.12 : 42,274.44 = 17,206.08 : x
  2. Step 2: Convert to fraction form
    30,635.12/42,274.44 = 17,206.08/x
  3. Step 3: Cross multiply
    30,635.12x = 42,274.44 × 17,206.08
  4. Step 4: Simplify right side
    30,635.12x = 727,377,396.60
  5. Step 5: Solve for x
    x = 727,377,396.60/30,635.12
  6. Step 6: Final answer
    x = 23,743.26

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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.