Home / 35,981.01-49,653.70-20,065.48

Finding the Fourth Proportional to 35,981.01, 49,653.70 and 20,065.48

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Solution

The fourth proportional to 35,981.01, 49,653.70 and 20,065.48 is: 27,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.01 : 49,653.70 = 20,065.48 : x
  2. Step 2: Convert to fraction form
    35,981.01/49,653.70 = 20,065.48/x
  3. Step 3: Cross multiply
    35,981.01x = 49,653.70 × 20,065.48
  4. Step 4: Simplify right side
    35,981.01x = 996,325,149.98
  5. Step 5: Solve for x
    x = 996,325,149.98/35,981.01
  6. Step 6: Final answer
    x = 27,690.31

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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.