Home / 20,950.43-31,425.65-14,738.24

Finding the Fourth Proportional to 20,950.43, 31,425.65 and 14,738.24

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Solution

The fourth proportional to 20,950.43, 31,425.65 and 14,738.24 is: 22,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,950.43 : 31,425.65 = 14,738.24 : x
  2. Step 2: Convert to fraction form
    20,950.43/31,425.65 = 14,738.24/x
  3. Step 3: Cross multiply
    20,950.43x = 31,425.65 × 14,738.24
  4. Step 4: Simplify right side
    20,950.43x = 463,158,939.05
  5. Step 5: Solve for x
    x = 463,158,939.05/20,950.43
  6. Step 6: Final answer
    x = 22,107.37

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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.