Home / 29,915.80-41,281.05-17,166.40

Finding the Fourth Proportional to 29,915.80, 41,281.05 and 17,166.40

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Solution

The fourth proportional to 29,915.80, 41,281.05 and 17,166.40 is: 23,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,915.80 : 41,281.05 = 17,166.40 : x
  2. Step 2: Convert to fraction form
    29,915.80/41,281.05 = 17,166.40/x
  3. Step 3: Cross multiply
    29,915.80x = 41,281.05 × 17,166.40
  4. Step 4: Simplify right side
    29,915.80x = 708,647,016.72
  5. Step 5: Solve for x
    x = 708,647,016.72/29,915.80
  6. Step 6: Final answer
    x = 23,688.05

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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.