Home / 47,290.23-65,287.22-31,396.41

Finding the Fourth Proportional to 47,290.23, 65,287.22 and 31,396.41

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Solution

The fourth proportional to 47,290.23, 65,287.22 and 31,396.41 is: 43,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,290.23 : 65,287.22 = 31,396.41 : x
  2. Step 2: Convert to fraction form
    47,290.23/65,287.22 = 31,396.41/x
  3. Step 3: Cross multiply
    47,290.23x = 65,287.22 × 31,396.41
  4. Step 4: Simplify right side
    47,290.23x = 2,049,784,169.90
  5. Step 5: Solve for x
    x = 2,049,784,169.90/47,290.23
  6. Step 6: Final answer
    x = 43,344.77

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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.