Home / 52,619.63-78,880.23-19,330.75

Finding the Fourth Proportional to 52,619.63, 78,880.23 and 19,330.75

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Solution

The fourth proportional to 52,619.63, 78,880.23 and 19,330.75 is: 28,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,619.63 : 78,880.23 = 19,330.75 : x
  2. Step 2: Convert to fraction form
    52,619.63/78,880.23 = 19,330.75/x
  3. Step 3: Cross multiply
    52,619.63x = 78,880.23 × 19,330.75
  4. Step 4: Simplify right side
    52,619.63x = 1,524,814,104.67
  5. Step 5: Solve for x
    x = 1,524,814,104.67/52,619.63
  6. Step 6: Final answer
    x = 28,978.05

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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.