Home / 54,623.80-81,935.70-19,564.60

Finding the Fourth Proportional to 54,623.80, 81,935.70 and 19,564.60

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Solution

The fourth proportional to 54,623.80, 81,935.70 and 19,564.60 is: 29,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,623.80 : 81,935.70 = 19,564.60 : x
  2. Step 2: Convert to fraction form
    54,623.80/81,935.70 = 19,564.60/x
  3. Step 3: Cross multiply
    54,623.80x = 81,935.70 × 19,564.60
  4. Step 4: Simplify right side
    54,623.80x = 1,603,039,196.22
  5. Step 5: Solve for x
    x = 1,603,039,196.22/54,623.80
  6. Step 6: Final answer
    x = 29,346.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.