Home / 30,996.84-42,775.66-16,849.69

Finding the Fourth Proportional to 30,996.84, 42,775.66 and 16,849.69

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Solution

The fourth proportional to 30,996.84, 42,775.66 and 16,849.69 is: 23,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.84 : 42,775.66 = 16,849.69 : x
  2. Step 2: Convert to fraction form
    30,996.84/42,775.66 = 16,849.69/x
  3. Step 3: Cross multiply
    30,996.84x = 42,775.66 × 16,849.69
  4. Step 4: Simplify right side
    30,996.84x = 720,756,524.67
  5. Step 5: Solve for x
    x = 720,756,524.67/30,996.84
  6. Step 6: Final answer
    x = 23,252.58

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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.