Home / 43,750.94-65,626.40-12,586.19

Finding the Fourth Proportional to 43,750.94, 65,626.40 and 12,586.19

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Solution

The fourth proportional to 43,750.94, 65,626.40 and 12,586.19 is: 18,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,750.94 : 65,626.40 = 12,586.19 : x
  2. Step 2: Convert to fraction form
    43,750.94/65,626.40 = 12,586.19/x
  3. Step 3: Cross multiply
    43,750.94x = 65,626.40 × 12,586.19
  4. Step 4: Simplify right side
    43,750.94x = 825,986,042.75
  5. Step 5: Solve for x
    x = 825,986,042.75/43,750.94
  6. Step 6: Final answer
    x = 18,879.28

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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.