Home / 30,086.48-41,521.68-16,658.99

Finding the Fourth Proportional to 30,086.48, 41,521.68 and 16,658.99

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Solution

The fourth proportional to 30,086.48, 41,521.68 and 16,658.99 is: 22,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.48 : 41,521.68 = 16,658.99 : x
  2. Step 2: Convert to fraction form
    30,086.48/41,521.68 = 16,658.99/x
  3. Step 3: Cross multiply
    30,086.48x = 41,521.68 × 16,658.99
  4. Step 4: Simplify right side
    30,086.48x = 691,709,044.29
  5. Step 5: Solve for x
    x = 691,709,044.29/30,086.48
  6. Step 6: Final answer
    x = 22,990.69

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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.