Home / 51,290.82-70,773.35-28,628.64

Finding the Fourth Proportional to 51,290.82, 70,773.35 and 28,628.64

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Solution

The fourth proportional to 51,290.82, 70,773.35 and 28,628.64 is: 39,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,290.82 : 70,773.35 = 28,628.64 : x
  2. Step 2: Convert to fraction form
    51,290.82/70,773.35 = 28,628.64/x
  3. Step 3: Cross multiply
    51,290.82x = 70,773.35 × 28,628.64
  4. Step 4: Simplify right side
    51,290.82x = 2,026,144,615.60
  5. Step 5: Solve for x
    x = 2,026,144,615.60/51,290.82
  6. Step 6: Final answer
    x = 39,503.07

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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.