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Finding the Fourth Proportional to 35,694.94, 49,259 and 21,355.37

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Solution

The fourth proportional to 35,694.94, 49,259 and 21,355.37 is: 29,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,694.94 : 49,259 = 21,355.37 : x
  2. Step 2: Convert to fraction form
    35,694.94/49,259 = 21,355.37/x
  3. Step 3: Cross multiply
    35,694.94x = 49,259 × 21,355.37
  4. Step 4: Simplify right side
    35,694.94x = 1,051,944,170.83
  5. Step 5: Solve for x
    x = 1,051,944,170.83/35,694.94
  6. Step 6: Final answer
    x = 29,470.40

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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.