Home / 47,939.36-71,878.98-14,648.36

Finding the Fourth Proportional to 47,939.36, 71,878.98 and 14,648.36

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Solution

The fourth proportional to 47,939.36, 71,878.98 and 14,648.36 is: 21,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,939.36 : 71,878.98 = 14,648.36 : x
  2. Step 2: Convert to fraction form
    47,939.36/71,878.98 = 14,648.36/x
  3. Step 3: Cross multiply
    47,939.36x = 71,878.98 × 14,648.36
  4. Step 4: Simplify right side
    47,939.36x = 1,052,909,175.47
  5. Step 5: Solve for x
    x = 1,052,909,175.47/47,939.36
  6. Step 6: Final answer
    x = 21,963.35

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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.