Home / 48,072.36-72,051.42-19,986.42

Finding the Fourth Proportional to 48,072.36, 72,051.42 and 19,986.42

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Solution

The fourth proportional to 48,072.36, 72,051.42 and 19,986.42 is: 29,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,072.36 : 72,051.42 = 19,986.42 : x
  2. Step 2: Convert to fraction form
    48,072.36/72,051.42 = 19,986.42/x
  3. Step 3: Cross multiply
    48,072.36x = 72,051.42 × 19,986.42
  4. Step 4: Simplify right side
    48,072.36x = 1,440,049,941.72
  5. Step 5: Solve for x
    x = 1,440,049,941.72/48,072.36
  6. Step 6: Final answer
    x = 29,955.88

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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.