Home / 30,423.74-41,981.75-16,994.71

Finding the Fourth Proportional to 30,423.74, 41,981.75 and 16,994.71

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Solution

The fourth proportional to 30,423.74, 41,981.75 and 16,994.71 is: 23,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.74 : 41,981.75 = 16,994.71 : x
  2. Step 2: Convert to fraction form
    30,423.74/41,981.75 = 16,994.71/x
  3. Step 3: Cross multiply
    30,423.74x = 41,981.75 × 16,994.71
  4. Step 4: Simplify right side
    30,423.74x = 713,467,604.07
  5. Step 5: Solve for x
    x = 713,467,604.07/30,423.74
  6. Step 6: Final answer
    x = 23,451.01

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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.