Home / 51,895.94-77,829.56-20,299.61

Finding the Fourth Proportional to 51,895.94, 77,829.56 and 20,299.61

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Solution

The fourth proportional to 51,895.94, 77,829.56 and 20,299.61 is: 30,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,895.94 : 77,829.56 = 20,299.61 : x
  2. Step 2: Convert to fraction form
    51,895.94/77,829.56 = 20,299.61/x
  3. Step 3: Cross multiply
    51,895.94x = 77,829.56 × 20,299.61
  4. Step 4: Simplify right side
    51,895.94x = 1,579,909,883.67
  5. Step 5: Solve for x
    x = 1,579,909,883.67/51,895.94
  6. Step 6: Final answer
    x = 30,443.80

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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.