Home / 31,078.98-46,586.88-12,372.26

Finding the Fourth Proportional to 31,078.98, 46,586.88 and 12,372.26

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Solution

The fourth proportional to 31,078.98, 46,586.88 and 12,372.26 is: 18,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,078.98 : 46,586.88 = 12,372.26 : x
  2. Step 2: Convert to fraction form
    31,078.98/46,586.88 = 12,372.26/x
  3. Step 3: Cross multiply
    31,078.98x = 46,586.88 × 12,372.26
  4. Step 4: Simplify right side
    31,078.98x = 576,384,759.01
  5. Step 5: Solve for x
    x = 576,384,759.01/31,078.98
  6. Step 6: Final answer
    x = 18,545.81

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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.