Home / 29,442.12-40,629.26-16,696.47

Finding the Fourth Proportional to 29,442.12, 40,629.26 and 16,696.47

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Solution

The fourth proportional to 29,442.12, 40,629.26 and 16,696.47 is: 23,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442.12 : 40,629.26 = 16,696.47 : x
  2. Step 2: Convert to fraction form
    29,442.12/40,629.26 = 16,696.47/x
  3. Step 3: Cross multiply
    29,442.12x = 40,629.26 × 16,696.47
  4. Step 4: Simplify right side
    29,442.12x = 678,364,984.87
  5. Step 5: Solve for x
    x = 678,364,984.87/29,442.12
  6. Step 6: Final answer
    x = 23,040.63

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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.