Home / 30,972.50-46,458.75-13,441.94

Finding the Fourth Proportional to 30,972.50, 46,458.75 and 13,441.94

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Solution

The fourth proportional to 30,972.50, 46,458.75 and 13,441.94 is: 20,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,972.50 : 46,458.75 = 13,441.94 : x
  2. Step 2: Convert to fraction form
    30,972.50/46,458.75 = 13,441.94/x
  3. Step 3: Cross multiply
    30,972.50x = 46,458.75 × 13,441.94
  4. Step 4: Simplify right side
    30,972.50x = 624,495,729.98
  5. Step 5: Solve for x
    x = 624,495,729.98/30,972.50
  6. Step 6: Final answer
    x = 20,162.91

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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.