Home / 31,711.26-47,568.12-14,181.24

Finding the Fourth Proportional to 31,711.26, 47,568.12 and 14,181.24

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Solution

The fourth proportional to 31,711.26, 47,568.12 and 14,181.24 is: 21,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.26 : 47,568.12 = 14,181.24 : x
  2. Step 2: Convert to fraction form
    31,711.26/47,568.12 = 14,181.24/x
  3. Step 3: Cross multiply
    31,711.26x = 47,568.12 × 14,181.24
  4. Step 4: Simplify right side
    31,711.26x = 674,574,926.07
  5. Step 5: Solve for x
    x = 674,574,926.07/31,711.26
  6. Step 6: Final answer
    x = 21,272.41

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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.