Home / 29,977.60-44,966.40-20,121.60

Finding the Fourth Proportional to 29,977.60, 44,966.40 and 20,121.60

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Solution

The fourth proportional to 29,977.60, 44,966.40 and 20,121.60 is: 30,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,977.60 : 44,966.40 = 20,121.60 : x
  2. Step 2: Convert to fraction form
    29,977.60/44,966.40 = 20,121.60/x
  3. Step 3: Cross multiply
    29,977.60x = 44,966.40 × 20,121.60
  4. Step 4: Simplify right side
    29,977.60x = 904,795,914.24
  5. Step 5: Solve for x
    x = 904,795,914.24/29,977.60
  6. Step 6: Final answer
    x = 30,182.40

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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.