Home / 53,865.22-80,803.38-20,613.26

Finding the Fourth Proportional to 53,865.22, 80,803.38 and 20,613.26

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Solution

The fourth proportional to 53,865.22, 80,803.38 and 20,613.26 is: 30,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,865.22 : 80,803.38 = 20,613.26 : x
  2. Step 2: Convert to fraction form
    53,865.22/80,803.38 = 20,613.26/x
  3. Step 3: Cross multiply
    53,865.22x = 80,803.38 × 20,613.26
  4. Step 4: Simplify right side
    53,865.22x = 1,665,621,080.82
  5. Step 5: Solve for x
    x = 1,665,621,080.82/53,865.22
  6. Step 6: Final answer
    x = 30,922.01

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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.