Home / 53,311.02-79,951.86-20,028.48

Finding the Fourth Proportional to 53,311.02, 79,951.86 and 20,028.48

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Solution

The fourth proportional to 53,311.02, 79,951.86 and 20,028.48 is: 30,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,311.02 : 79,951.86 = 20,028.48 : x
  2. Step 2: Convert to fraction form
    53,311.02/79,951.86 = 20,028.48/x
  3. Step 3: Cross multiply
    53,311.02x = 79,951.86 × 20,028.48
  4. Step 4: Simplify right side
    53,311.02x = 1,601,314,228.97
  5. Step 5: Solve for x
    x = 1,601,314,228.97/53,311.02
  6. Step 6: Final answer
    x = 30,037.21

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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.