Home / 47,189.84-70,751.96-20,880.23

Finding the Fourth Proportional to 47,189.84, 70,751.96 and 20,880.23

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Solution

The fourth proportional to 47,189.84, 70,751.96 and 20,880.23 is: 31,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,189.84 : 70,751.96 = 20,880.23 : x
  2. Step 2: Convert to fraction form
    47,189.84/70,751.96 = 20,880.23/x
  3. Step 3: Cross multiply
    47,189.84x = 70,751.96 × 20,880.23
  4. Step 4: Simplify right side
    47,189.84x = 1,477,317,093.35
  5. Step 5: Solve for x
    x = 1,477,317,093.35/47,189.84
  6. Step 6: Final answer
    x = 31,305.83

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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.