Home / 47,400.68-71,105.77-13,667.54

Finding the Fourth Proportional to 47,400.68, 71,105.77 and 13,667.54

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Solution

The fourth proportional to 47,400.68, 71,105.77 and 13,667.54 is: 20,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,400.68 : 71,105.77 = 13,667.54 : x
  2. Step 2: Convert to fraction form
    47,400.68/71,105.77 = 13,667.54/x
  3. Step 3: Cross multiply
    47,400.68x = 71,105.77 × 13,667.54
  4. Step 4: Simplify right side
    47,400.68x = 971,840,655.70
  5. Step 5: Solve for x
    x = 971,840,655.70/47,400.68
  6. Step 6: Final answer
    x = 20,502.67

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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.