Home / 31,804.89-47,729.21-11,028.39

Finding the Fourth Proportional to 31,804.89, 47,729.21 and 11,028.39

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Solution

The fourth proportional to 31,804.89, 47,729.21 and 11,028.39 is: 16,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804.89 : 47,729.21 = 11,028.39 : x
  2. Step 2: Convert to fraction form
    31,804.89/47,729.21 = 11,028.39/x
  3. Step 3: Cross multiply
    31,804.89x = 47,729.21 × 11,028.39
  4. Step 4: Simplify right side
    31,804.89x = 526,376,342.27
  5. Step 5: Solve for x
    x = 526,376,342.27/31,804.89
  6. Step 6: Final answer
    x = 16,550.17

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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.