Home / 43,942.40-65,913.60-40,563.20

Finding the Fourth Proportional to 43,942.40, 65,913.60 and 40,563.20

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Solution

The fourth proportional to 43,942.40, 65,913.60 and 40,563.20 is: 60,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,942.40 : 65,913.60 = 40,563.20 : x
  2. Step 2: Convert to fraction form
    43,942.40/65,913.60 = 40,563.20/x
  3. Step 3: Cross multiply
    43,942.40x = 65,913.60 × 40,563.20
  4. Step 4: Simplify right side
    43,942.40x = 2,673,666,539.52
  5. Step 5: Solve for x
    x = 2,673,666,539.52/43,942.40
  6. Step 6: Final answer
    x = 60,844.80

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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.