Home / 35,821.44-49,433.40-19,689.12

Finding the Fourth Proportional to 35,821.44, 49,433.40 and 19,689.12

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Solution

The fourth proportional to 35,821.44, 49,433.40 and 19,689.12 is: 27,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.44 : 49,433.40 = 19,689.12 : x
  2. Step 2: Convert to fraction form
    35,821.44/49,433.40 = 19,689.12/x
  3. Step 3: Cross multiply
    35,821.44x = 49,433.40 × 19,689.12
  4. Step 4: Simplify right side
    35,821.44x = 973,300,144.61
  5. Step 5: Solve for x
    x = 973,300,144.61/35,821.44
  6. Step 6: Final answer
    x = 27,170.88

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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.