Home / 34,957.90-48,240.34-20,423.43

Finding the Fourth Proportional to 34,957.90, 48,240.34 and 20,423.43

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Solution

The fourth proportional to 34,957.90, 48,240.34 and 20,423.43 is: 28,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,957.90 : 48,240.34 = 20,423.43 : x
  2. Step 2: Convert to fraction form
    34,957.90/48,240.34 = 20,423.43/x
  3. Step 3: Cross multiply
    34,957.90x = 48,240.34 × 20,423.43
  4. Step 4: Simplify right side
    34,957.90x = 985,233,042.25
  5. Step 5: Solve for x
    x = 985,233,042.25/34,957.90
  6. Step 6: Final answer
    x = 28,183.42

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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.