Home / 51,179.04-76,768.56-19,992.42

Finding the Fourth Proportional to 51,179.04, 76,768.56 and 19,992.42

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Solution

The fourth proportional to 51,179.04, 76,768.56 and 19,992.42 is: 29,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.04 : 76,768.56 = 19,992.42 : x
  2. Step 2: Convert to fraction form
    51,179.04/76,768.56 = 19,992.42/x
  3. Step 3: Cross multiply
    51,179.04x = 76,768.56 × 19,992.42
  4. Step 4: Simplify right side
    51,179.04x = 1,534,789,294.32
  5. Step 5: Solve for x
    x = 1,534,789,294.32/51,179.04
  6. Step 6: Final answer
    x = 29,988.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.