Home / 43,810.40-65,629.20-25,320.80

Finding the Fourth Proportional to 43,810.40, 65,629.20 and 25,320.80

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Solution

The fourth proportional to 43,810.40, 65,629.20 and 25,320.80 is: 37,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,810.40 : 65,629.20 = 25,320.80 : x
  2. Step 2: Convert to fraction form
    43,810.40/65,629.20 = 25,320.80/x
  3. Step 3: Cross multiply
    43,810.40x = 65,629.20 × 25,320.80
  4. Step 4: Simplify right side
    43,810.40x = 1,661,783,847.36
  5. Step 5: Solve for x
    x = 1,661,783,847.36/43,810.40
  6. Step 6: Final answer
    x = 37,931.26

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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.