Home / 30,354.25-41,915.30-19,043.19

Finding the Fourth Proportional to 30,354.25, 41,915.30 and 19,043.19

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Solution

The fourth proportional to 30,354.25, 41,915.30 and 19,043.19 is: 26,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354.25 : 41,915.30 = 19,043.19 : x
  2. Step 2: Convert to fraction form
    30,354.25/41,915.30 = 19,043.19/x
  3. Step 3: Cross multiply
    30,354.25x = 41,915.30 × 19,043.19
  4. Step 4: Simplify right side
    30,354.25x = 798,200,869.41
  5. Step 5: Solve for x
    x = 798,200,869.41/30,354.25
  6. Step 6: Final answer
    x = 26,296.18

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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.