Home / 31,281.54-46,922.30-7,907.97

Finding the Fourth Proportional to 31,281.54, 46,922.30 and 7,907.97

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Solution

The fourth proportional to 31,281.54, 46,922.30 and 7,907.97 is: 11,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.54 : 46,922.30 = 7,907.97 : x
  2. Step 2: Convert to fraction form
    31,281.54/46,922.30 = 7,907.97/x
  3. Step 3: Cross multiply
    31,281.54x = 46,922.30 × 7,907.97
  4. Step 4: Simplify right side
    31,281.54x = 371,060,277.81
  5. Step 5: Solve for x
    x = 371,060,277.81/31,281.54
  6. Step 6: Final answer
    x = 11,861.96

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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.