Home / 30,330.75-41,851.51-17,581.44

Finding the Fourth Proportional to 30,330.75, 41,851.51 and 17,581.44

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Solution

The fourth proportional to 30,330.75, 41,851.51 and 17,581.44 is: 24,259.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.75 : 41,851.51 = 17,581.44 : x
  2. Step 2: Convert to fraction form
    30,330.75/41,851.51 = 17,581.44/x
  3. Step 3: Cross multiply
    30,330.75x = 41,851.51 × 17,581.44
  4. Step 4: Simplify right side
    30,330.75x = 735,809,990.89
  5. Step 5: Solve for x
    x = 735,809,990.89/30,330.75
  6. Step 6: Final answer
    x = 24,259.54

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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.