Home / 36,014.02-54,014.55-21,205.60

Finding the Fourth Proportional to 36,014.02, 54,014.55 and 21,205.60

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Solution

The fourth proportional to 36,014.02, 54,014.55 and 21,205.60 is: 31,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,014.02 : 54,014.55 = 21,205.60 : x
  2. Step 2: Convert to fraction form
    36,014.02/54,014.55 = 21,205.60/x
  3. Step 3: Cross multiply
    36,014.02x = 54,014.55 × 21,205.60
  4. Step 4: Simplify right side
    36,014.02x = 1,145,410,941.48
  5. Step 5: Solve for x
    x = 1,145,410,941.48/36,014.02
  6. Step 6: Final answer
    x = 31,804.58

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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.