Home / 50,100.50-75,155.73-18,518.84

Finding the Fourth Proportional to 50,100.50, 75,155.73 and 18,518.84

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Solution

The fourth proportional to 50,100.50, 75,155.73 and 18,518.84 is: 27,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,100.50 : 75,155.73 = 18,518.84 : x
  2. Step 2: Convert to fraction form
    50,100.50/75,155.73 = 18,518.84/x
  3. Step 3: Cross multiply
    50,100.50x = 75,155.73 × 18,518.84
  4. Step 4: Simplify right side
    50,100.50x = 1,391,796,938.95
  5. Step 5: Solve for x
    x = 1,391,796,938.95/50,100.50
  6. Step 6: Final answer
    x = 27,780.10

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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.