Home / 49,645.42-68,508.90-28,409.68

Finding the Fourth Proportional to 49,645.42, 68,508.90 and 28,409.68

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Solution

The fourth proportional to 49,645.42, 68,508.90 and 28,409.68 is: 39,204.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,645.42 : 68,508.90 = 28,409.68 : x
  2. Step 2: Convert to fraction form
    49,645.42/68,508.90 = 28,409.68/x
  3. Step 3: Cross multiply
    49,645.42x = 68,508.90 × 28,409.68
  4. Step 4: Simplify right side
    49,645.42x = 1,946,315,926.15
  5. Step 5: Solve for x
    x = 1,946,315,926.15/49,645.42
  6. Step 6: Final answer
    x = 39,204.34

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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.