Home / 47,771.92-71,658.60-18,191.40

Finding the Fourth Proportional to 47,771.92, 71,658.60 and 18,191.40

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Solution

The fourth proportional to 47,771.92, 71,658.60 and 18,191.40 is: 27,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,771.92 : 71,658.60 = 18,191.40 : x
  2. Step 2: Convert to fraction form
    47,771.92/71,658.60 = 18,191.40/x
  3. Step 3: Cross multiply
    47,771.92x = 71,658.60 × 18,191.40
  4. Step 4: Simplify right side
    47,771.92x = 1,303,570,256.04
  5. Step 5: Solve for x
    x = 1,303,570,256.04/47,771.92
  6. Step 6: Final answer
    x = 27,287.37

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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.