Home / 43,162.99-64,673.20-19,737.79

Finding the Fourth Proportional to 43,162.99, 64,673.20 and 19,737.79

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Solution

The fourth proportional to 43,162.99, 64,673.20 and 19,737.79 is: 29,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,162.99 : 64,673.20 = 19,737.79 : x
  2. Step 2: Convert to fraction form
    43,162.99/64,673.20 = 19,737.79/x
  3. Step 3: Cross multiply
    43,162.99x = 64,673.20 × 19,737.79
  4. Step 4: Simplify right side
    43,162.99x = 1,276,505,903.22
  5. Step 5: Solve for x
    x = 1,276,505,903.22/43,162.99
  6. Step 6: Final answer
    x = 29,574.09

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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.