Home / 30,248.35-41,742.58-16,818.80

Finding the Fourth Proportional to 30,248.35, 41,742.58 and 16,818.80

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Solution

The fourth proportional to 30,248.35, 41,742.58 and 16,818.80 is: 23,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.35 : 41,742.58 = 16,818.80 : x
  2. Step 2: Convert to fraction form
    30,248.35/41,742.58 = 16,818.80/x
  3. Step 3: Cross multiply
    30,248.35x = 41,742.58 × 16,818.80
  4. Step 4: Simplify right side
    30,248.35x = 702,060,104.50
  5. Step 5: Solve for x
    x = 702,060,104.50/30,248.35
  6. Step 6: Final answer
    x = 23,209.86

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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.