Home / 55,443.36-83,173.23-20,380.26

Finding the Fourth Proportional to 55,443.36, 83,173.23 and 20,380.26

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Solution

The fourth proportional to 55,443.36, 83,173.23 and 20,380.26 is: 30,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,443.36 : 83,173.23 = 20,380.26 : x
  2. Step 2: Convert to fraction form
    55,443.36/83,173.23 = 20,380.26/x
  3. Step 3: Cross multiply
    55,443.36x = 83,173.23 × 20,380.26
  4. Step 4: Simplify right side
    55,443.36x = 1,695,092,052.44
  5. Step 5: Solve for x
    x = 1,695,092,052.44/55,443.36
  6. Step 6: Final answer
    x = 30,573.40

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1.5x scale

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.