Home / 43,681.94-65,534.25-12,519.62

Finding the Fourth Proportional to 43,681.94, 65,534.25 and 12,519.62

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Solution

The fourth proportional to 43,681.94, 65,534.25 and 12,519.62 is: 18,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,681.94 : 65,534.25 = 12,519.62 : x
  2. Step 2: Convert to fraction form
    43,681.94/65,534.25 = 12,519.62/x
  3. Step 3: Cross multiply
    43,681.94x = 65,534.25 × 12,519.62
  4. Step 4: Simplify right side
    43,681.94x = 820,463,906.99
  5. Step 5: Solve for x
    x = 820,463,906.99/43,681.94
  6. Step 6: Final answer
    x = 18,782.68

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1.5x scale

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.