Home / 35,623.50-49,156.17-19,705.79

Finding the Fourth Proportional to 35,623.50, 49,156.17 and 19,705.79

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Solution

The fourth proportional to 35,623.50, 49,156.17 and 19,705.79 is: 27,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,623.50 : 49,156.17 = 19,705.79 : x
  2. Step 2: Convert to fraction form
    35,623.50/49,156.17 = 19,705.79/x
  3. Step 3: Cross multiply
    35,623.50x = 49,156.17 × 19,705.79
  4. Step 4: Simplify right side
    35,623.50x = 968,660,917.44
  5. Step 5: Solve for x
    x = 968,660,917.44/35,623.50
  6. Step 6: Final answer
    x = 27,191.63

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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.