Home / 43,327.50-64,981.26-13,739.82

Finding the Fourth Proportional to 43,327.50, 64,981.26 and 13,739.82

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Solution

The fourth proportional to 43,327.50, 64,981.26 and 13,739.82 is: 20,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,327.50 : 64,981.26 = 13,739.82 : x
  2. Step 2: Convert to fraction form
    43,327.50/64,981.26 = 13,739.82/x
  3. Step 3: Cross multiply
    43,327.50x = 64,981.26 × 13,739.82
  4. Step 4: Simplify right side
    43,327.50x = 892,830,815.77
  5. Step 5: Solve for x
    x = 892,830,815.77/43,327.50
  6. Step 6: Final answer
    x = 20,606.56

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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.