Home / 43,571.40-65,340.50-18,623.00

Finding the Fourth Proportional to 43,571.40, 65,340.50 and 18,623.00

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Solution

The fourth proportional to 43,571.40, 65,340.50 and 18,623.00 is: 27,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,571.40 : 65,340.50 = 18,623.00 : x
  2. Step 2: Convert to fraction form
    43,571.40/65,340.50 = 18,623.00/x
  3. Step 3: Cross multiply
    43,571.40x = 65,340.50 × 18,623.00
  4. Step 4: Simplify right side
    43,571.40x = 1,216,835,711.68
  5. Step 5: Solve for x
    x = 1,216,835,711.68/43,571.40
  6. Step 6: Final answer
    x = 27,927.40

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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.