Home / 51,281.29-76,921.94-40,958.65

Finding the Fourth Proportional to 51,281.29, 76,921.94 and 40,958.65

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Solution

The fourth proportional to 51,281.29, 76,921.94 and 40,958.65 is: 61,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281.29 : 76,921.94 = 40,958.65 : x
  2. Step 2: Convert to fraction form
    51,281.29/76,921.94 = 40,958.65/x
  3. Step 3: Cross multiply
    51,281.29x = 76,921.94 × 40,958.65
  4. Step 4: Simplify right side
    51,281.29x = 3,150,618,817.78
  5. Step 5: Solve for x
    x = 3,150,618,817.78/51,281.29
  6. Step 6: Final answer
    x = 61,437.98

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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.