Home / 33,324.75-45,988.16-18,420.75

Finding the Fourth Proportional to 33,324.75, 45,988.16 and 18,420.75

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Solution

The fourth proportional to 33,324.75, 45,988.16 and 18,420.75 is: 25,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,324.75 : 45,988.16 = 18,420.75 : x
  2. Step 2: Convert to fraction form
    33,324.75/45,988.16 = 18,420.75/x
  3. Step 3: Cross multiply
    33,324.75x = 45,988.16 × 18,420.75
  4. Step 4: Simplify right side
    33,324.75x = 847,136,306.22
  5. Step 5: Solve for x
    x = 847,136,306.22/33,324.75
  6. Step 6: Final answer
    x = 25,420.64

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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.