Home / 35,724.49-49,302.09-20,617.79

Finding the Fourth Proportional to 35,724.49, 49,302.09 and 20,617.79

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Solution

The fourth proportional to 35,724.49, 49,302.09 and 20,617.79 is: 28,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,724.49 : 49,302.09 = 20,617.79 : x
  2. Step 2: Convert to fraction form
    35,724.49/49,302.09 = 20,617.79/x
  3. Step 3: Cross multiply
    35,724.49x = 49,302.09 × 20,617.79
  4. Step 4: Simplify right side
    35,724.49x = 1,016,499,891.67
  5. Step 5: Solve for x
    x = 1,016,499,891.67/35,724.49
  6. Step 6: Final answer
    x = 28,453.87

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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.