Home / 30,278.12-41,784.36-16,849.94

Finding the Fourth Proportional to 30,278.12, 41,784.36 and 16,849.94

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Solution

The fourth proportional to 30,278.12, 41,784.36 and 16,849.94 is: 23,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,278.12 : 41,784.36 = 16,849.94 : x
  2. Step 2: Convert to fraction form
    30,278.12/41,784.36 = 16,849.94/x
  3. Step 3: Cross multiply
    30,278.12x = 41,784.36 × 16,849.94
  4. Step 4: Simplify right side
    30,278.12x = 704,063,958.94
  5. Step 5: Solve for x
    x = 704,063,958.94/30,278.12
  6. Step 6: Final answer
    x = 23,253.23

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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.