Home / 51,373.82-70,888.74-28,709.96

Finding the Fourth Proportional to 51,373.82, 70,888.74 and 28,709.96

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Solution

The fourth proportional to 51,373.82, 70,888.74 and 28,709.96 is: 39,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,373.82 : 70,888.74 = 28,709.96 : x
  2. Step 2: Convert to fraction form
    51,373.82/70,888.74 = 28,709.96/x
  3. Step 3: Cross multiply
    51,373.82x = 70,888.74 × 28,709.96
  4. Step 4: Simplify right side
    51,373.82x = 2,035,212,889.85
  5. Step 5: Solve for x
    x = 2,035,212,889.85/51,373.82
  6. Step 6: Final answer
    x = 39,615.76

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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.