Home / 31,014.57-46,500.79-15,779.69

Finding the Fourth Proportional to 31,014.57, 46,500.79 and 15,779.69

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Solution

The fourth proportional to 31,014.57, 46,500.79 and 15,779.69 is: 23,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,014.57 : 46,500.79 = 15,779.69 : x
  2. Step 2: Convert to fraction form
    31,014.57/46,500.79 = 15,779.69/x
  3. Step 3: Cross multiply
    31,014.57x = 46,500.79 × 15,779.69
  4. Step 4: Simplify right side
    31,014.57x = 733,768,050.96
  5. Step 5: Solve for x
    x = 733,768,050.96/31,014.57
  6. Step 6: Final answer
    x = 23,658.82

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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.