Home / 43,728.03-65,586.51-12,140.46

Finding the Fourth Proportional to 43,728.03, 65,586.51 and 12,140.46

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Solution

The fourth proportional to 43,728.03, 65,586.51 and 12,140.46 is: 18,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728.03 : 65,586.51 = 12,140.46 : x
  2. Step 2: Convert to fraction form
    43,728.03/65,586.51 = 12,140.46/x
  3. Step 3: Cross multiply
    43,728.03x = 65,586.51 × 12,140.46
  4. Step 4: Simplify right side
    43,728.03x = 796,250,401.19
  5. Step 5: Solve for x
    x = 796,250,401.19/43,728.03
  6. Step 6: Final answer
    x = 18,209.15

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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.