Home / 35,821.17-49,434.71-19,905.75

Finding the Fourth Proportional to 35,821.17, 49,434.71 and 19,905.75

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Solution

The fourth proportional to 35,821.17, 49,434.71 and 19,905.75 is: 27,470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.17 : 49,434.71 = 19,905.75 : x
  2. Step 2: Convert to fraction form
    35,821.17/49,434.71 = 19,905.75/x
  3. Step 3: Cross multiply
    35,821.17x = 49,434.71 × 19,905.75
  4. Step 4: Simplify right side
    35,821.17x = 984,034,879.05
  5. Step 5: Solve for x
    x = 984,034,879.05/35,821.17
  6. Step 6: Final answer
    x = 27,470.76

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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.