Home / 35,905.94-49,549.05-19,989.58

Finding the Fourth Proportional to 35,905.94, 49,549.05 and 19,989.58

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Solution

The fourth proportional to 35,905.94, 49,549.05 and 19,989.58 is: 27,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.94 : 49,549.05 = 19,989.58 : x
  2. Step 2: Convert to fraction form
    35,905.94/49,549.05 = 19,989.58/x
  3. Step 3: Cross multiply
    35,905.94x = 49,549.05 × 19,989.58
  4. Step 4: Simplify right side
    35,905.94x = 990,464,698.90
  5. Step 5: Solve for x
    x = 990,464,698.90/35,905.94
  6. Step 6: Final answer
    x = 27,584.98

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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.