Home / 34,747.36-47,926.92-21,325.12

Finding the Fourth Proportional to 34,747.36, 47,926.92 and 21,325.12

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Solution

The fourth proportional to 34,747.36, 47,926.92 and 21,325.12 is: 29,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.36 : 47,926.92 = 21,325.12 : x
  2. Step 2: Convert to fraction form
    34,747.36/47,926.92 = 21,325.12/x
  3. Step 3: Cross multiply
    34,747.36x = 47,926.92 × 21,325.12
  4. Step 4: Simplify right side
    34,747.36x = 1,022,047,320.23
  5. Step 5: Solve for x
    x = 1,022,047,320.23/34,747.36
  6. Step 6: Final answer
    x = 29,413.67

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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.