Home / 51,634.32-71,254.91-28,972.86

Finding the Fourth Proportional to 51,634.32, 71,254.91 and 28,972.86

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Solution

The fourth proportional to 51,634.32, 71,254.91 and 28,972.86 is: 39,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,634.32 : 71,254.91 = 28,972.86 : x
  2. Step 2: Convert to fraction form
    51,634.32/71,254.91 = 28,972.86/x
  3. Step 3: Cross multiply
    51,634.32x = 71,254.91 × 28,972.86
  4. Step 4: Simplify right side
    51,634.32x = 2,064,458,386.88
  5. Step 5: Solve for x
    x = 2,064,458,386.88/51,634.32
  6. Step 6: Final answer
    x = 39,982.29

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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.