Home / 30,716.57-46,015.76-18,835.66

Finding the Fourth Proportional to 30,716.57, 46,015.76 and 18,835.66

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Solution

The fourth proportional to 30,716.57, 46,015.76 and 18,835.66 is: 28,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,716.57 : 46,015.76 = 18,835.66 : x
  2. Step 2: Convert to fraction form
    30,716.57/46,015.76 = 18,835.66/x
  3. Step 3: Cross multiply
    30,716.57x = 46,015.76 × 18,835.66
  4. Step 4: Simplify right side
    30,716.57x = 866,737,055.77
  5. Step 5: Solve for x
    x = 866,737,055.77/30,716.57
  6. Step 6: Final answer
    x = 28,217.25

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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.