Home / 30,085.41-41,519.40-16,658.15

Finding the Fourth Proportional to 30,085.41, 41,519.40 and 16,658.15

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Solution

The fourth proportional to 30,085.41, 41,519.40 and 16,658.15 is: 22,989.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,085.41 : 41,519.40 = 16,658.15 : x
  2. Step 2: Convert to fraction form
    30,085.41/41,519.40 = 16,658.15/x
  3. Step 3: Cross multiply
    30,085.41x = 41,519.40 × 16,658.15
  4. Step 4: Simplify right side
    30,085.41x = 691,636,216.75
  5. Step 5: Solve for x
    x = 691,636,216.75/30,085.41
  6. Step 6: Final answer
    x = 22,989.09

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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.