Home / 51,271.16-76,941.06-17,991.38

Finding the Fourth Proportional to 51,271.16, 76,941.06 and 17,991.38

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Solution

The fourth proportional to 51,271.16, 76,941.06 and 17,991.38 is: 26,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,271.16 : 76,941.06 = 17,991.38 : x
  2. Step 2: Convert to fraction form
    51,271.16/76,941.06 = 17,991.38/x
  3. Step 3: Cross multiply
    51,271.16x = 76,941.06 × 17,991.38
  4. Step 4: Simplify right side
    51,271.16x = 1,384,275,848.06
  5. Step 5: Solve for x
    x = 1,384,275,848.06/51,271.16
  6. Step 6: Final answer
    x = 26,999.11

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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.