Home / 30,722.09-46,100.75-12,951.50

Finding the Fourth Proportional to 30,722.09, 46,100.75 and 12,951.50

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Solution

The fourth proportional to 30,722.09, 46,100.75 and 12,951.50 is: 19,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,722.09 : 46,100.75 = 12,951.50 : x
  2. Step 2: Convert to fraction form
    30,722.09/46,100.75 = 12,951.50/x
  3. Step 3: Cross multiply
    30,722.09x = 46,100.75 × 12,951.50
  4. Step 4: Simplify right side
    30,722.09x = 597,073,568.36
  5. Step 5: Solve for x
    x = 597,073,568.36/30,722.09
  6. Step 6: Final answer
    x = 19,434.67

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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.