Home / 35,623.81-49,162.31-19,707.99

Finding the Fourth Proportional to 35,623.81, 49,162.31 and 19,707.99

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Solution

The fourth proportional to 35,623.81, 49,162.31 and 19,707.99 is: 27,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,623.81 : 49,162.31 = 19,707.99 : x
  2. Step 2: Convert to fraction form
    35,623.81/49,162.31 = 19,707.99/x
  3. Step 3: Cross multiply
    35,623.81x = 49,162.31 × 19,707.99
  4. Step 4: Simplify right side
    35,623.81x = 968,890,313.86
  5. Step 5: Solve for x
    x = 968,890,313.86/35,623.81
  6. Step 6: Final answer
    x = 27,197.83

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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.