Home / 43,558.08-65,328-12,384.96

Finding the Fourth Proportional to 43,558.08, 65,328 and 12,384.96

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Solution

The fourth proportional to 43,558.08, 65,328 and 12,384.96 is: 18,574.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,558.08 : 65,328 = 12,384.96 : x
  2. Step 2: Convert to fraction form
    43,558.08/65,328 = 12,384.96/x
  3. Step 3: Cross multiply
    43,558.08x = 65,328 × 12,384.96
  4. Step 4: Simplify right side
    43,558.08x = 809,084,666.88
  5. Step 5: Solve for x
    x = 809,084,666.88/43,558.08
  6. Step 6: Final answer
    x = 18,574.85

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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.