Home / 31,291.44-46,950.60-20,765.14

Finding the Fourth Proportional to 31,291.44, 46,950.60 and 20,765.14

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Solution

The fourth proportional to 31,291.44, 46,950.60 and 20,765.14 is: 31,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,291.44 : 46,950.60 = 20,765.14 : x
  2. Step 2: Convert to fraction form
    31,291.44/46,950.60 = 20,765.14/x
  3. Step 3: Cross multiply
    31,291.44x = 46,950.60 × 20,765.14
  4. Step 4: Simplify right side
    31,291.44x = 974,935,782.08
  5. Step 5: Solve for x
    x = 974,935,782.08/31,291.44
  6. Step 6: Final answer
    x = 31,156.63

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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.