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Finding the Fourth Proportional to 43,384.70, 65,113.91 and 30,935.21

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Solution

The fourth proportional to 43,384.70, 65,113.91 and 30,935.21 is: 46,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,384.70 : 65,113.91 = 30,935.21 : x
  2. Step 2: Convert to fraction form
    43,384.70/65,113.91 = 30,935.21/x
  3. Step 3: Cross multiply
    43,384.70x = 65,113.91 × 30,935.21
  4. Step 4: Simplify right side
    43,384.70x = 2,014,311,999.53
  5. Step 5: Solve for x
    x = 2,014,311,999.53/43,384.70
  6. Step 6: Final answer
    x = 46,429.09

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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.