Home / 51,267.43-70,749.14-28,296.72

Finding the Fourth Proportional to 51,267.43, 70,749.14 and 28,296.72

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Solution

The fourth proportional to 51,267.43, 70,749.14 and 28,296.72 is: 39,049.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,267.43 : 70,749.14 = 28,296.72 : x
  2. Step 2: Convert to fraction form
    51,267.43/70,749.14 = 28,296.72/x
  3. Step 3: Cross multiply
    51,267.43x = 70,749.14 × 28,296.72
  4. Step 4: Simplify right side
    51,267.43x = 2,001,968,463.34
  5. Step 5: Solve for x
    x = 2,001,968,463.34/51,267.43
  6. Step 6: Final answer
    x = 39,049.52

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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.