Home / 35,744.88-49,334.31-20,635.47

Finding the Fourth Proportional to 35,744.88, 49,334.31 and 20,635.47

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Solution

The fourth proportional to 35,744.88, 49,334.31 and 20,635.47 is: 28,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,744.88 : 49,334.31 = 20,635.47 : x
  2. Step 2: Convert to fraction form
    35,744.88/49,334.31 = 20,635.47/x
  3. Step 3: Cross multiply
    35,744.88x = 49,334.31 × 20,635.47
  4. Step 4: Simplify right side
    35,744.88x = 1,018,036,673.98
  5. Step 5: Solve for x
    x = 1,018,036,673.98/35,744.88
  6. Step 6: Final answer
    x = 28,480.63

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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.