Home / 29,399.45-40,571.67-15,970.96

Finding the Fourth Proportional to 29,399.45, 40,571.67 and 15,970.96

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Solution

The fourth proportional to 29,399.45, 40,571.67 and 15,970.96 is: 22,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,399.45 : 40,571.67 = 15,970.96 : x
  2. Step 2: Convert to fraction form
    29,399.45/40,571.67 = 15,970.96/x
  3. Step 3: Cross multiply
    29,399.45x = 40,571.67 × 15,970.96
  4. Step 4: Simplify right side
    29,399.45x = 647,968,539.47
  5. Step 5: Solve for x
    x = 647,968,539.47/29,399.45
  6. Step 6: Final answer
    x = 22,040.16

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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.