Home / 43,579.20-65,282.40-25,996.80

Finding the Fourth Proportional to 43,579.20, 65,282.40 and 25,996.80

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Solution

The fourth proportional to 43,579.20, 65,282.40 and 25,996.80 is: 38,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579.20 : 65,282.40 = 25,996.80 : x
  2. Step 2: Convert to fraction form
    43,579.20/65,282.40 = 25,996.80/x
  3. Step 3: Cross multiply
    43,579.20x = 65,282.40 × 25,996.80
  4. Step 4: Simplify right side
    43,579.20x = 1,697,133,496.32
  5. Step 5: Solve for x
    x = 1,697,133,496.32/43,579.20
  6. Step 6: Final answer
    x = 38,943.66

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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.