Home / 31,281.88-46,993.38-18,166.36

Finding the Fourth Proportional to 31,281.88, 46,993.38 and 18,166.36

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Solution

The fourth proportional to 31,281.88, 46,993.38 and 18,166.36 is: 27,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.88 : 46,993.38 = 18,166.36 : x
  2. Step 2: Convert to fraction form
    31,281.88/46,993.38 = 18,166.36/x
  3. Step 3: Cross multiply
    31,281.88x = 46,993.38 × 18,166.36
  4. Step 4: Simplify right side
    31,281.88x = 853,698,658.70
  5. Step 5: Solve for x
    x = 853,698,658.70/31,281.88
  6. Step 6: Final answer
    x = 27,290.52

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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.