Home / 30,122.89-41,575.48-19,214.01

Finding the Fourth Proportional to 30,122.89, 41,575.48 and 19,214.01

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Solution

The fourth proportional to 30,122.89, 41,575.48 and 19,214.01 is: 26,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.89 : 41,575.48 = 19,214.01 : x
  2. Step 2: Convert to fraction form
    30,122.89/41,575.48 = 19,214.01/x
  3. Step 3: Cross multiply
    30,122.89x = 41,575.48 × 19,214.01
  4. Step 4: Simplify right side
    30,122.89x = 798,831,640.44
  5. Step 5: Solve for x
    x = 798,831,640.44/30,122.89
  6. Step 6: Final answer
    x = 26,519.09

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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.