Home / 30,278.89-41,784.24-16,849.63

Finding the Fourth Proportional to 30,278.89, 41,784.24 and 16,849.63

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Solution

The fourth proportional to 30,278.89, 41,784.24 and 16,849.63 is: 23,252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,278.89 : 41,784.24 = 16,849.63 : x
  2. Step 2: Convert to fraction form
    30,278.89/41,784.24 = 16,849.63/x
  3. Step 3: Cross multiply
    30,278.89x = 41,784.24 × 16,849.63
  4. Step 4: Simplify right side
    30,278.89x = 704,048,983.83
  5. Step 5: Solve for x
    x = 704,048,983.83/30,278.89
  6. Step 6: Final answer
    x = 23,252.14

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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.