Home / 30,089.20-41,518.86-16,661.24

Finding the Fourth Proportional to 30,089.20, 41,518.86 and 16,661.24

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Solution

The fourth proportional to 30,089.20, 41,518.86 and 16,661.24 is: 22,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.20 : 41,518.86 = 16,661.24 : x
  2. Step 2: Convert to fraction form
    30,089.20/41,518.86 = 16,661.24/x
  3. Step 3: Cross multiply
    30,089.20x = 41,518.86 × 16,661.24
  4. Step 4: Simplify right side
    30,089.20x = 691,755,690.99
  5. Step 5: Solve for x
    x = 691,755,690.99/30,089.20
  6. Step 6: Final answer
    x = 22,990.17

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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.