Home / 47,710.51-71,578.72-14,431.66

Finding the Fourth Proportional to 47,710.51, 71,578.72 and 14,431.66

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Solution

The fourth proportional to 47,710.51, 71,578.72 and 14,431.66 is: 21,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,710.51 : 71,578.72 = 14,431.66 : x
  2. Step 2: Convert to fraction form
    47,710.51/71,578.72 = 14,431.66/x
  3. Step 3: Cross multiply
    47,710.51x = 71,578.72 × 14,431.66
  4. Step 4: Simplify right side
    47,710.51x = 1,032,999,750.28
  5. Step 5: Solve for x
    x = 1,032,999,750.28/47,710.51
  6. Step 6: Final answer
    x = 21,651.41

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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.