Home / 30,898.86-46,348.56-20,234.22

Finding the Fourth Proportional to 30,898.86, 46,348.56 and 20,234.22

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Solution

The fourth proportional to 30,898.86, 46,348.56 and 20,234.22 is: 30,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898.86 : 46,348.56 = 20,234.22 : x
  2. Step 2: Convert to fraction form
    30,898.86/46,348.56 = 20,234.22/x
  3. Step 3: Cross multiply
    30,898.86x = 46,348.56 × 20,234.22
  4. Step 4: Simplify right side
    30,898.86x = 937,826,959.72
  5. Step 5: Solve for x
    x = 937,826,959.72/30,898.86
  6. Step 6: Final answer
    x = 30,351.51

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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.