Home / 47,318.99-65,188.80-39,222.23

Finding the Fourth Proportional to 47,318.99, 65,188.80 and 39,222.23

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Solution

The fourth proportional to 47,318.99, 65,188.80 and 39,222.23 is: 54,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,318.99 : 65,188.80 = 39,222.23 : x
  2. Step 2: Convert to fraction form
    47,318.99/65,188.80 = 39,222.23/x
  3. Step 3: Cross multiply
    47,318.99x = 65,188.80 × 39,222.23
  4. Step 4: Simplify right side
    47,318.99x = 2,556,850,107.02
  5. Step 5: Solve for x
    x = 2,556,850,107.02/47,318.99
  6. Step 6: Final answer
    x = 54,034.33

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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.