Home / 35,820.96-49,434.60-19,905.54

Finding the Fourth Proportional to 35,820.96, 49,434.60 and 19,905.54

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Solution

The fourth proportional to 35,820.96, 49,434.60 and 19,905.54 is: 27,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,820.96 : 49,434.60 = 19,905.54 : x
  2. Step 2: Convert to fraction form
    35,820.96/49,434.60 = 19,905.54/x
  3. Step 3: Cross multiply
    35,820.96x = 49,434.60 × 19,905.54
  4. Step 4: Simplify right side
    35,820.96x = 984,022,407.68
  5. Step 5: Solve for x
    x = 984,022,407.68/35,820.96
  6. Step 6: Final answer
    x = 27,470.58

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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.