Home / 53,919.44-80,875.16-20,642.48

Finding the Fourth Proportional to 53,919.44, 80,875.16 and 20,642.48

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Solution

The fourth proportional to 53,919.44, 80,875.16 and 20,642.48 is: 30,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919.44 : 80,875.16 = 20,642.48 : x
  2. Step 2: Convert to fraction form
    53,919.44/80,875.16 = 20,642.48/x
  3. Step 3: Cross multiply
    53,919.44x = 80,875.16 × 20,642.48
  4. Step 4: Simplify right side
    53,919.44x = 1,669,463,872.80
  5. Step 5: Solve for x
    x = 1,669,463,872.80/53,919.44
  6. Step 6: Final answer
    x = 30,962.19

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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.