Home / 29,072.93-40,129.29-17,140.14

Finding the Fourth Proportional to 29,072.93, 40,129.29 and 17,140.14

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Solution

The fourth proportional to 29,072.93, 40,129.29 and 17,140.14 is: 23,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,072.93 : 40,129.29 = 17,140.14 : x
  2. Step 2: Convert to fraction form
    29,072.93/40,129.29 = 17,140.14/x
  3. Step 3: Cross multiply
    29,072.93x = 40,129.29 × 17,140.14
  4. Step 4: Simplify right side
    29,072.93x = 687,821,648.70
  5. Step 5: Solve for x
    x = 687,821,648.70/29,072.93
  6. Step 6: Final answer
    x = 23,658.49

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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.