Home / 43,852.50-65,778.75-12,690.18

Finding the Fourth Proportional to 43,852.50, 65,778.75 and 12,690.18

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Solution

The fourth proportional to 43,852.50, 65,778.75 and 12,690.18 is: 19,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,852.50 : 65,778.75 = 12,690.18 : x
  2. Step 2: Convert to fraction form
    43,852.50/65,778.75 = 12,690.18/x
  3. Step 3: Cross multiply
    43,852.50x = 65,778.75 × 12,690.18
  4. Step 4: Simplify right side
    43,852.50x = 834,744,177.68
  5. Step 5: Solve for x
    x = 834,744,177.68/43,852.50
  6. Step 6: Final answer
    x = 19,035.27

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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.