Home / 53,815.10-80,722.65-16,371.83

Finding the Fourth Proportional to 53,815.10, 80,722.65 and 16,371.83

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Solution

The fourth proportional to 53,815.10, 80,722.65 and 16,371.83 is: 24,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,815.10 : 80,722.65 = 16,371.83 : x
  2. Step 2: Convert to fraction form
    53,815.10/80,722.65 = 16,371.83/x
  3. Step 3: Cross multiply
    53,815.10x = 80,722.65 × 16,371.83
  4. Step 4: Simplify right side
    53,815.10x = 1,321,577,099.34
  5. Step 5: Solve for x
    x = 1,321,577,099.34/53,815.10
  6. Step 6: Final answer
    x = 24,557.74

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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.