Home / 82,378.46-123,567.69-20,048.96

Finding the Fourth Proportional to 82,378.46, 123,567.69 and 20,048.96

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Solution

The fourth proportional to 82,378.46, 123,567.69 and 20,048.96 is: 30,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,378.46 : 123,567.69 = 20,048.96 : x
  2. Step 2: Convert to fraction form
    82,378.46/123,567.69 = 20,048.96/x
  3. Step 3: Cross multiply
    82,378.46x = 123,567.69 × 20,048.96
  4. Step 4: Simplify right side
    82,378.46x = 2,477,403,056.26
  5. Step 5: Solve for x
    x = 2,477,403,056.26/82,378.46
  6. Step 6: Final answer
    x = 30,073.43

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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.