Home / 43,019.91-64,529.87-16,730.80

Finding the Fourth Proportional to 43,019.91, 64,529.87 and 16,730.80

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Solution

The fourth proportional to 43,019.91, 64,529.87 and 16,730.80 is: 25,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,019.91 : 64,529.87 = 16,730.80 : x
  2. Step 2: Convert to fraction form
    43,019.91/64,529.87 = 16,730.80/x
  3. Step 3: Cross multiply
    43,019.91x = 64,529.87 × 16,730.80
  4. Step 4: Simplify right side
    43,019.91x = 1,079,636,104.02
  5. Step 5: Solve for x
    x = 1,079,636,104.02/43,019.91
  6. Step 6: Final answer
    x = 25,096.20

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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.