Home / 42,228.54-63,321.61-14,138.94

Finding the Fourth Proportional to 42,228.54, 63,321.61 and 14,138.94

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Solution

The fourth proportional to 42,228.54, 63,321.61 and 14,138.94 is: 21,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,228.54 : 63,321.61 = 14,138.94 : x
  2. Step 2: Convert to fraction form
    42,228.54/63,321.61 = 14,138.94/x
  3. Step 3: Cross multiply
    42,228.54x = 63,321.61 × 14,138.94
  4. Step 4: Simplify right side
    42,228.54x = 895,300,444.49
  5. Step 5: Solve for x
    x = 895,300,444.49/42,228.54
  6. Step 6: Final answer
    x = 21,201.31

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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.