Home / 47,209.14-65,140.34-28,346.67

Finding the Fourth Proportional to 47,209.14, 65,140.34 and 28,346.67

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Solution

The fourth proportional to 47,209.14, 65,140.34 and 28,346.67 is: 39,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,209.14 : 65,140.34 = 28,346.67 : x
  2. Step 2: Convert to fraction form
    47,209.14/65,140.34 = 28,346.67/x
  3. Step 3: Cross multiply
    47,209.14x = 65,140.34 × 28,346.67
  4. Step 4: Simplify right side
    47,209.14x = 1,846,511,579.93
  5. Step 5: Solve for x
    x = 1,846,511,579.93/47,209.14
  6. Step 6: Final answer
    x = 39,113.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.