Home / 53,738.02-80,607.48-20,458.36

Finding the Fourth Proportional to 53,738.02, 80,607.48 and 20,458.36

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Solution

The fourth proportional to 53,738.02, 80,607.48 and 20,458.36 is: 30,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.02 : 80,607.48 = 20,458.36 : x
  2. Step 2: Convert to fraction form
    53,738.02/80,607.48 = 20,458.36/x
  3. Step 3: Cross multiply
    53,738.02x = 80,607.48 × 20,458.36
  4. Step 4: Simplify right side
    53,738.02x = 1,649,096,844.53
  5. Step 5: Solve for x
    x = 1,649,096,844.53/53,738.02
  6. Step 6: Final answer
    x = 30,687.71

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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.