Home / 51,635.76-71,261.64-28,974.48

Finding the Fourth Proportional to 51,635.76, 71,261.64 and 28,974.48

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Solution

The fourth proportional to 51,635.76, 71,261.64 and 28,974.48 is: 39,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,635.76 : 71,261.64 = 28,974.48 : x
  2. Step 2: Convert to fraction form
    51,635.76/71,261.64 = 28,974.48/x
  3. Step 3: Cross multiply
    51,635.76x = 71,261.64 × 28,974.48
  4. Step 4: Simplify right side
    51,635.76x = 2,064,768,962.95
  5. Step 5: Solve for x
    x = 2,064,768,962.95/51,635.76
  6. Step 6: Final answer
    x = 39,987.19

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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.