Home / 30,087.99-41,521.11-16,658.90

Finding the Fourth Proportional to 30,087.99, 41,521.11 and 16,658.90

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Solution

The fourth proportional to 30,087.99, 41,521.11 and 16,658.90 is: 22,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,087.99 : 41,521.11 = 16,658.90 : x
  2. Step 2: Convert to fraction form
    30,087.99/41,521.11 = 16,658.90/x
  3. Step 3: Cross multiply
    30,087.99x = 41,521.11 × 16,658.90
  4. Step 4: Simplify right side
    30,087.99x = 691,696,080.17
  5. Step 5: Solve for x
    x = 691,696,080.17/30,087.99
  6. Step 6: Final answer
    x = 22,989.11

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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.