Home / 42,546.94-63,829.60-12,963.98

Finding the Fourth Proportional to 42,546.94, 63,829.60 and 12,963.98

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Solution

The fourth proportional to 42,546.94, 63,829.60 and 12,963.98 is: 19,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,546.94 : 63,829.60 = 12,963.98 : x
  2. Step 2: Convert to fraction form
    42,546.94/63,829.60 = 12,963.98/x
  3. Step 3: Cross multiply
    42,546.94x = 63,829.60 × 12,963.98
  4. Step 4: Simplify right side
    42,546.94x = 827,485,784.97
  5. Step 5: Solve for x
    x = 827,485,784.97/42,546.94
  6. Step 6: Final answer
    x = 19,448.77

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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.