Home / 30,281.88-41,788.34-16,853.08

Finding the Fourth Proportional to 30,281.88, 41,788.34 and 16,853.08

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Solution

The fourth proportional to 30,281.88, 41,788.34 and 16,853.08 is: 23,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.88 : 41,788.34 = 16,853.08 : x
  2. Step 2: Convert to fraction form
    30,281.88/41,788.34 = 16,853.08/x
  3. Step 3: Cross multiply
    30,281.88x = 41,788.34 × 16,853.08
  4. Step 4: Simplify right side
    30,281.88x = 704,262,237.09
  5. Step 5: Solve for x
    x = 704,262,237.09/30,281.88
  6. Step 6: Final answer
    x = 23,256.89

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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.