Home / 51,478.94-71,037.64-28,814.10

Finding the Fourth Proportional to 51,478.94, 71,037.64 and 28,814.10

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Solution

The fourth proportional to 51,478.94, 71,037.64 and 28,814.10 is: 39,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,478.94 : 71,037.64 = 28,814.10 : x
  2. Step 2: Convert to fraction form
    51,478.94/71,037.64 = 28,814.10/x
  3. Step 3: Cross multiply
    51,478.94x = 71,037.64 × 28,814.10
  4. Step 4: Simplify right side
    51,478.94x = 2,046,885,432.35
  5. Step 5: Solve for x
    x = 2,046,885,432.35/51,478.94
  6. Step 6: Final answer
    x = 39,761.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.