Home / 30,179.89-41,647.47-16,750.75

Finding the Fourth Proportional to 30,179.89, 41,647.47 and 16,750.75

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Solution

The fourth proportional to 30,179.89, 41,647.47 and 16,750.75 is: 23,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.89 : 41,647.47 = 16,750.75 : x
  2. Step 2: Convert to fraction form
    30,179.89/41,647.47 = 16,750.75/x
  3. Step 3: Cross multiply
    30,179.89x = 41,647.47 × 16,750.75
  4. Step 4: Simplify right side
    30,179.89x = 697,626,358.10
  5. Step 5: Solve for x
    x = 697,626,358.10/30,179.89
  6. Step 6: Final answer
    x = 23,115.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.