Home / 30,363.85-41,921.61-19,048.86

Finding the Fourth Proportional to 30,363.85, 41,921.61 and 19,048.86

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Solution

The fourth proportional to 30,363.85, 41,921.61 and 19,048.86 is: 26,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.85 : 41,921.61 = 19,048.86 : x
  2. Step 2: Convert to fraction form
    30,363.85/41,921.61 = 19,048.86/x
  3. Step 3: Cross multiply
    30,363.85x = 41,921.61 × 19,048.86
  4. Step 4: Simplify right side
    30,363.85x = 798,558,879.86
  5. Step 5: Solve for x
    x = 798,558,879.86/30,363.85
  6. Step 6: Final answer
    x = 26,299.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.