Home / 55,393.21-83,100.77-20,333.17

Finding the Fourth Proportional to 55,393.21, 83,100.77 and 20,333.17

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Solution

The fourth proportional to 55,393.21, 83,100.77 and 20,333.17 is: 30,503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,393.21 : 83,100.77 = 20,333.17 : x
  2. Step 2: Convert to fraction form
    55,393.21/83,100.77 = 20,333.17/x
  3. Step 3: Cross multiply
    55,393.21x = 83,100.77 × 20,333.17
  4. Step 4: Simplify right side
    55,393.21x = 1,689,701,566.37
  5. Step 5: Solve for x
    x = 1,689,701,566.37/55,393.21
  6. Step 6: Final answer
    x = 30,503.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.