Home / 35,373.78-48,818.70-20,271.33

Finding the Fourth Proportional to 35,373.78, 48,818.70 and 20,271.33

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Solution

The fourth proportional to 35,373.78, 48,818.70 and 20,271.33 is: 27,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.78 : 48,818.70 = 20,271.33 : x
  2. Step 2: Convert to fraction form
    35,373.78/48,818.70 = 20,271.33/x
  3. Step 3: Cross multiply
    35,373.78x = 48,818.70 × 20,271.33
  4. Step 4: Simplify right side
    35,373.78x = 989,619,977.87
  5. Step 5: Solve for x
    x = 989,619,977.87/35,373.78
  6. Step 6: Final answer
    x = 27,976.09

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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.