Home / 29,344.41-40,495.23-15,915.60

Finding the Fourth Proportional to 29,344.41, 40,495.23 and 15,915.60

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Solution

The fourth proportional to 29,344.41, 40,495.23 and 15,915.60 is: 21,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,344.41 : 40,495.23 = 15,915.60 : x
  2. Step 2: Convert to fraction form
    29,344.41/40,495.23 = 15,915.60/x
  3. Step 3: Cross multiply
    29,344.41x = 40,495.23 × 15,915.60
  4. Step 4: Simplify right side
    29,344.41x = 644,505,882.59
  5. Step 5: Solve for x
    x = 644,505,882.59/29,344.41
  6. Step 6: Final answer
    x = 21,963.50

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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.