Home / 39,413.70-59,110.11-15,720.30

Finding the Fourth Proportional to 39,413.70, 59,110.11 and 15,720.30

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Solution

The fourth proportional to 39,413.70, 59,110.11 and 15,720.30 is: 23,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,413.70 : 59,110.11 = 15,720.30 : x
  2. Step 2: Convert to fraction form
    39,413.70/59,110.11 = 15,720.30/x
  3. Step 3: Cross multiply
    39,413.70x = 59,110.11 × 15,720.30
  4. Step 4: Simplify right side
    39,413.70x = 929,228,662.23
  5. Step 5: Solve for x
    x = 929,228,662.23/39,413.70
  6. Step 6: Final answer
    x = 23,576.29

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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.