Home / 35,021.79-48,328.10-19,912.32

Finding the Fourth Proportional to 35,021.79, 48,328.10 and 19,912.32

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Solution

The fourth proportional to 35,021.79, 48,328.10 and 19,912.32 is: 27,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,021.79 : 48,328.10 = 19,912.32 : x
  2. Step 2: Convert to fraction form
    35,021.79/48,328.10 = 19,912.32/x
  3. Step 3: Cross multiply
    35,021.79x = 48,328.10 × 19,912.32
  4. Step 4: Simplify right side
    35,021.79x = 962,324,641.97
  5. Step 5: Solve for x
    x = 962,324,641.97/35,021.79
  6. Step 6: Final answer
    x = 27,477.88

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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.