Home / 35,644.40-49,189.70-19,730.33

Finding the Fourth Proportional to 35,644.40, 49,189.70 and 19,730.33

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Solution

The fourth proportional to 35,644.40, 49,189.70 and 19,730.33 is: 27,228.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,644.40 : 49,189.70 = 19,730.33 : x
  2. Step 2: Convert to fraction form
    35,644.40/49,189.70 = 19,730.33/x
  3. Step 3: Cross multiply
    35,644.40x = 49,189.70 × 19,730.33
  4. Step 4: Simplify right side
    35,644.40x = 970,528,816.98
  5. Step 5: Solve for x
    x = 970,528,816.98/35,644.40
  6. Step 6: Final answer
    x = 27,228.09

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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.