Home / 35,604.06-49,128.54-20,490.96

Finding the Fourth Proportional to 35,604.06, 49,128.54 and 20,490.96

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Solution

The fourth proportional to 35,604.06, 49,128.54 and 20,490.96 is: 28,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,604.06 : 49,128.54 = 20,490.96 : x
  2. Step 2: Convert to fraction form
    35,604.06/49,128.54 = 20,490.96/x
  3. Step 3: Cross multiply
    35,604.06x = 49,128.54 × 20,490.96
  4. Step 4: Simplify right side
    35,604.06x = 1,006,690,948.00
  5. Step 5: Solve for x
    x = 1,006,690,948.00/35,604.06
  6. Step 6: Final answer
    x = 28,274.61

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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.