Home / 29,509.14-40,721.33-16,762.29

Finding the Fourth Proportional to 29,509.14, 40,721.33 and 16,762.29

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Solution

The fourth proportional to 29,509.14, 40,721.33 and 16,762.29 is: 23,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,509.14 : 40,721.33 = 16,762.29 : x
  2. Step 2: Convert to fraction form
    29,509.14/40,721.33 = 16,762.29/x
  3. Step 3: Cross multiply
    29,509.14x = 40,721.33 × 16,762.29
  4. Step 4: Simplify right side
    29,509.14x = 682,582,860.90
  5. Step 5: Solve for x
    x = 682,582,860.90/29,509.14
  6. Step 6: Final answer
    x = 23,131.23

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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.