Home / 71,176.94-106,763.32-18,586.44

Finding the Fourth Proportional to 71,176.94, 106,763.32 and 18,586.44

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Solution

The fourth proportional to 71,176.94, 106,763.32 and 18,586.44 is: 27,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,176.94 : 106,763.32 = 18,586.44 : x
  2. Step 2: Convert to fraction form
    71,176.94/106,763.32 = 18,586.44/x
  3. Step 3: Cross multiply
    71,176.94x = 106,763.32 × 18,586.44
  4. Step 4: Simplify right side
    71,176.94x = 1,984,350,041.38
  5. Step 5: Solve for x
    x = 1,984,350,041.38/71,176.94
  6. Step 6: Final answer
    x = 27,879.11

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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.