Home / 20,050.50-30,077.46-5,259.36

Finding the Fourth Proportional to 20,050.50, 30,077.46 and 5,259.36

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Solution

The fourth proportional to 20,050.50, 30,077.46 and 5,259.36 is: 7,889.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.50 : 30,077.46 = 5,259.36 : x
  2. Step 2: Convert to fraction form
    20,050.50/30,077.46 = 5,259.36/x
  3. Step 3: Cross multiply
    20,050.50x = 30,077.46 × 5,259.36
  4. Step 4: Simplify right side
    20,050.50x = 158,188,190.03
  5. Step 5: Solve for x
    x = 158,188,190.03/20,050.50
  6. Step 6: Final answer
    x = 7,889.49

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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.