Home / 51,636.32-71,257.98-28,669.66

Finding the Fourth Proportional to 51,636.32, 71,257.98 and 28,669.66

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Solution

The fourth proportional to 51,636.32, 71,257.98 and 28,669.66 is: 39,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,636.32 : 71,257.98 = 28,669.66 : x
  2. Step 2: Convert to fraction form
    51,636.32/71,257.98 = 28,669.66/x
  3. Step 3: Cross multiply
    51,636.32x = 71,257.98 × 28,669.66
  4. Step 4: Simplify right side
    51,636.32x = 2,042,942,058.89
  5. Step 5: Solve for x
    x = 2,042,942,058.89/51,636.32
  6. Step 6: Final answer
    x = 39,564.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.