Home / 53,739.44-80,609.93-20,461.32

Finding the Fourth Proportional to 53,739.44, 80,609.93 and 20,461.32

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Solution

The fourth proportional to 53,739.44, 80,609.93 and 20,461.32 is: 30,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,739.44 : 80,609.93 = 20,461.32 : x
  2. Step 2: Convert to fraction form
    53,739.44/80,609.93 = 20,461.32/x
  3. Step 3: Cross multiply
    53,739.44x = 80,609.93 × 20,461.32
  4. Step 4: Simplify right side
    53,739.44x = 1,649,385,470.60
  5. Step 5: Solve for x
    x = 1,649,385,470.60/53,739.44
  6. Step 6: Final answer
    x = 30,692.27

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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.