Home / 33,125.40-49,688.10-10,942.20

Finding the Fourth Proportional to 33,125.40, 49,688.10 and 10,942.20

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Solution

The fourth proportional to 33,125.40, 49,688.10 and 10,942.20 is: 16,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.40 : 49,688.10 = 10,942.20 : x
  2. Step 2: Convert to fraction form
    33,125.40/49,688.10 = 10,942.20/x
  3. Step 3: Cross multiply
    33,125.40x = 49,688.10 × 10,942.20
  4. Step 4: Simplify right side
    33,125.40x = 543,697,127.82
  5. Step 5: Solve for x
    x = 543,697,127.82/33,125.40
  6. Step 6: Final answer
    x = 16,413.30

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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.