Home / 55,623.40-83,418.90-20,080.60

Finding the Fourth Proportional to 55,623.40, 83,418.90 and 20,080.60

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Solution

The fourth proportional to 55,623.40, 83,418.90 and 20,080.60 is: 30,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,623.40 : 83,418.90 = 20,080.60 : x
  2. Step 2: Convert to fraction form
    55,623.40/83,418.90 = 20,080.60/x
  3. Step 3: Cross multiply
    55,623.40x = 83,418.90 × 20,080.60
  4. Step 4: Simplify right side
    55,623.40x = 1,675,101,563.34
  5. Step 5: Solve for x
    x = 1,675,101,563.34/55,623.40
  6. Step 6: Final answer
    x = 30,115.05

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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.