Home / 49,906.80-74,860.20-30,223.80

Finding the Fourth Proportional to 49,906.80, 74,860.20 and 30,223.80

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Solution

The fourth proportional to 49,906.80, 74,860.20 and 30,223.80 is: 45,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,906.80 : 74,860.20 = 30,223.80 : x
  2. Step 2: Convert to fraction form
    49,906.80/74,860.20 = 30,223.80/x
  3. Step 3: Cross multiply
    49,906.80x = 74,860.20 × 30,223.80
  4. Step 4: Simplify right side
    49,906.80x = 2,262,559,712.76
  5. Step 5: Solve for x
    x = 2,262,559,712.76/49,906.80
  6. Step 6: Final answer
    x = 45,335.70

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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.