Home / 69,992.20-104,988.76-30,539.63

Finding the Fourth Proportional to 69,992.20, 104,988.76 and 30,539.63

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Solution

The fourth proportional to 69,992.20, 104,988.76 and 30,539.63 is: 45,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,992.20 : 104,988.76 = 30,539.63 : x
  2. Step 2: Convert to fraction form
    69,992.20/104,988.76 = 30,539.63/x
  3. Step 3: Cross multiply
    69,992.20x = 104,988.76 × 30,539.63
  4. Step 4: Simplify right side
    69,992.20x = 3,206,318,070.68
  5. Step 5: Solve for x
    x = 3,206,318,070.68/69,992.20
  6. Step 6: Final answer
    x = 45,809.65

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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.