Home / 30,281.92-41,788.80-16,853.24

Finding the Fourth Proportional to 30,281.92, 41,788.80 and 16,853.24

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Solution

The fourth proportional to 30,281.92, 41,788.80 and 16,853.24 is: 23,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.92 : 41,788.80 = 16,853.24 : x
  2. Step 2: Convert to fraction form
    30,281.92/41,788.80 = 16,853.24/x
  3. Step 3: Cross multiply
    30,281.92x = 41,788.80 × 16,853.24
  4. Step 4: Simplify right side
    30,281.92x = 704,276,675.71
  5. Step 5: Solve for x
    x = 704,276,675.71/30,281.92
  6. Step 6: Final answer
    x = 23,257.33

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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.