Home / 35,724.77-49,301.76-19,808.21

Finding the Fourth Proportional to 35,724.77, 49,301.76 and 19,808.21

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Solution

The fourth proportional to 35,724.77, 49,301.76 and 19,808.21 is: 27,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,724.77 : 49,301.76 = 19,808.21 : x
  2. Step 2: Convert to fraction form
    35,724.77/49,301.76 = 19,808.21/x
  3. Step 3: Cross multiply
    35,724.77x = 49,301.76 × 19,808.21
  4. Step 4: Simplify right side
    35,724.77x = 976,579,615.45
  5. Step 5: Solve for x
    x = 976,579,615.45/35,724.77
  6. Step 6: Final answer
    x = 27,336.20

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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.