Home / 47,771.67-71,658.21-18,191.16

Finding the Fourth Proportional to 47,771.67, 71,658.21 and 18,191.16

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Solution

The fourth proportional to 47,771.67, 71,658.21 and 18,191.16 is: 27,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,771.67 : 71,658.21 = 18,191.16 : x
  2. Step 2: Convert to fraction form
    47,771.67/71,658.21 = 18,191.16/x
  3. Step 3: Cross multiply
    47,771.67x = 71,658.21 × 18,191.16
  4. Step 4: Simplify right side
    47,771.67x = 1,303,545,963.42
  5. Step 5: Solve for x
    x = 1,303,545,963.42/47,771.67
  6. Step 6: Final answer
    x = 27,287.01

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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.