Home / 43,500.78-65,259.37-13,910.67

Finding the Fourth Proportional to 43,500.78, 65,259.37 and 13,910.67

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Solution

The fourth proportional to 43,500.78, 65,259.37 and 13,910.67 is: 20,868.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,500.78 : 65,259.37 = 13,910.67 : x
  2. Step 2: Convert to fraction form
    43,500.78/65,259.37 = 13,910.67/x
  3. Step 3: Cross multiply
    43,500.78x = 65,259.37 × 13,910.67
  4. Step 4: Simplify right side
    43,500.78x = 907,801,560.48
  5. Step 5: Solve for x
    x = 907,801,560.48/43,500.78
  6. Step 6: Final answer
    x = 20,868.63

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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.