Home / 35,643.29-49,198.70-20,546.05

Finding the Fourth Proportional to 35,643.29, 49,198.70 and 20,546.05

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Solution

The fourth proportional to 35,643.29, 49,198.70 and 20,546.05 is: 28,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.29 : 49,198.70 = 20,546.05 : x
  2. Step 2: Convert to fraction form
    35,643.29/49,198.70 = 20,546.05/x
  3. Step 3: Cross multiply
    35,643.29x = 49,198.70 × 20,546.05
  4. Step 4: Simplify right side
    35,643.29x = 1,010,838,950.14
  5. Step 5: Solve for x
    x = 1,010,838,950.14/35,643.29
  6. Step 6: Final answer
    x = 28,359.87

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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.