Home / 30,722.20-46,101.23-12,951.78

Finding the Fourth Proportional to 30,722.20, 46,101.23 and 12,951.78

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Solution

The fourth proportional to 30,722.20, 46,101.23 and 12,951.78 is: 19,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,722.20 : 46,101.23 = 12,951.78 : x
  2. Step 2: Convert to fraction form
    30,722.20/46,101.23 = 12,951.78/x
  3. Step 3: Cross multiply
    30,722.20x = 46,101.23 × 12,951.78
  4. Step 4: Simplify right side
    30,722.20x = 597,092,988.69
  5. Step 5: Solve for x
    x = 597,092,988.69/30,722.20
  6. Step 6: Final answer
    x = 19,435.23

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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.