Home / 35,767.28-49,361.21-20,660.58

Finding the Fourth Proportional to 35,767.28, 49,361.21 and 20,660.58

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Solution

The fourth proportional to 35,767.28, 49,361.21 and 20,660.58 is: 28,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,767.28 : 49,361.21 = 20,660.58 : x
  2. Step 2: Convert to fraction form
    35,767.28/49,361.21 = 20,660.58/x
  3. Step 3: Cross multiply
    35,767.28x = 49,361.21 × 20,660.58
  4. Step 4: Simplify right side
    35,767.28x = 1,019,830,877.99
  5. Step 5: Solve for x
    x = 1,019,830,877.99/35,767.28
  6. Step 6: Final answer
    x = 28,512.96

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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.