Home / 35,740.98-49,323.78-21,591.09

Finding the Fourth Proportional to 35,740.98, 49,323.78 and 21,591.09

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Solution

The fourth proportional to 35,740.98, 49,323.78 and 21,591.09 is: 29,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,740.98 : 49,323.78 = 21,591.09 : x
  2. Step 2: Convert to fraction form
    35,740.98/49,323.78 = 21,591.09/x
  3. Step 3: Cross multiply
    35,740.98x = 49,323.78 × 21,591.09
  4. Step 4: Simplify right side
    35,740.98x = 1,064,954,173.12
  5. Step 5: Solve for x
    x = 1,064,954,173.12/35,740.98
  6. Step 6: Final answer
    x = 29,796.45

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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.