Home / 35,369.33-48,818.19-20,270.84

Finding the Fourth Proportional to 35,369.33, 48,818.19 and 20,270.84

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Solution

The fourth proportional to 35,369.33, 48,818.19 and 20,270.84 is: 27,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,369.33 : 48,818.19 = 20,270.84 : x
  2. Step 2: Convert to fraction form
    35,369.33/48,818.19 = 20,270.84/x
  3. Step 3: Cross multiply
    35,369.33x = 48,818.19 × 20,270.84
  4. Step 4: Simplify right side
    35,369.33x = 989,585,474.49
  5. Step 5: Solve for x
    x = 989,585,474.49/35,369.33
  6. Step 6: Final answer
    x = 27,978.64

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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.