Home / 35,795.21-49,398.51-21,450.30

Finding the Fourth Proportional to 35,795.21, 49,398.51 and 21,450.30

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Solution

The fourth proportional to 35,795.21, 49,398.51 and 21,450.30 is: 29,602.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,795.21 : 49,398.51 = 21,450.30 : x
  2. Step 2: Convert to fraction form
    35,795.21/49,398.51 = 21,450.30/x
  3. Step 3: Cross multiply
    35,795.21x = 49,398.51 × 21,450.30
  4. Step 4: Simplify right side
    35,795.21x = 1,059,612,859.05
  5. Step 5: Solve for x
    x = 1,059,612,859.05/35,795.21
  6. Step 6: Final answer
    x = 29,602.09

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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.