Home / 30,656.03-42,306.44-17,227.55

Finding the Fourth Proportional to 30,656.03, 42,306.44 and 17,227.55

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Solution

The fourth proportional to 30,656.03, 42,306.44 and 17,227.55 is: 23,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656.03 : 42,306.44 = 17,227.55 : x
  2. Step 2: Convert to fraction form
    30,656.03/42,306.44 = 17,227.55/x
  3. Step 3: Cross multiply
    30,656.03x = 42,306.44 × 17,227.55
  4. Step 4: Simplify right side
    30,656.03x = 728,836,224.28
  5. Step 5: Solve for x
    x = 728,836,224.28/30,656.03
  6. Step 6: Final answer
    x = 23,774.64

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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.