Home / 29,229.89-40,350.74-17,128.69

Finding the Fourth Proportional to 29,229.89, 40,350.74 and 17,128.69

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Solution

The fourth proportional to 29,229.89, 40,350.74 and 17,128.69 is: 23,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,229.89 : 40,350.74 = 17,128.69 : x
  2. Step 2: Convert to fraction form
    29,229.89/40,350.74 = 17,128.69/x
  3. Step 3: Cross multiply
    29,229.89x = 40,350.74 × 17,128.69
  4. Step 4: Simplify right side
    29,229.89x = 691,155,130.21
  5. Step 5: Solve for x
    x = 691,155,130.21/29,229.89
  6. Step 6: Final answer
    x = 23,645.50

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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.