Home / 43,861.50-65,792.25-12,699.18

Finding the Fourth Proportional to 43,861.50, 65,792.25 and 12,699.18

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Solution

The fourth proportional to 43,861.50, 65,792.25 and 12,699.18 is: 19,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,861.50 : 65,792.25 = 12,699.18 : x
  2. Step 2: Convert to fraction form
    43,861.50/65,792.25 = 12,699.18/x
  3. Step 3: Cross multiply
    43,861.50x = 65,792.25 × 12,699.18
  4. Step 4: Simplify right side
    43,861.50x = 835,507,625.36
  5. Step 5: Solve for x
    x = 835,507,625.36/43,861.50
  6. Step 6: Final answer
    x = 19,048.77

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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.