Home / 69,981.95-104,941.33-20,050.61

Finding the Fourth Proportional to 69,981.95, 104,941.33 and 20,050.61

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Solution

The fourth proportional to 69,981.95, 104,941.33 and 20,050.61 is: 30,066.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,981.95 : 104,941.33 = 20,050.61 : x
  2. Step 2: Convert to fraction form
    69,981.95/104,941.33 = 20,050.61/x
  3. Step 3: Cross multiply
    69,981.95x = 104,941.33 × 20,050.61
  4. Step 4: Simplify right side
    69,981.95x = 2,104,137,680.71
  5. Step 5: Solve for x
    x = 2,104,137,680.71/69,981.95
  6. Step 6: Final answer
    x = 30,066.86

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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.