Home / 51,271.95-76,918.73-21,674.55

Finding the Fourth Proportional to 51,271.95, 76,918.73 and 21,674.55

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Solution

The fourth proportional to 51,271.95, 76,918.73 and 21,674.55 is: 32,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,271.95 : 76,918.73 = 21,674.55 : x
  2. Step 2: Convert to fraction form
    51,271.95/76,918.73 = 21,674.55/x
  3. Step 3: Cross multiply
    51,271.95x = 76,918.73 × 21,674.55
  4. Step 4: Simplify right side
    51,271.95x = 1,667,178,750.95
  5. Step 5: Solve for x
    x = 1,667,178,750.95/51,271.95
  6. Step 6: Final answer
    x = 32,516.39

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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.