Home / 30,462.56-45,670.68-21,077.63

Finding the Fourth Proportional to 30,462.56, 45,670.68 and 21,077.63

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Solution

The fourth proportional to 30,462.56, 45,670.68 and 21,077.63 is: 31,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,462.56 : 45,670.68 = 21,077.63 : x
  2. Step 2: Convert to fraction form
    30,462.56/45,670.68 = 21,077.63/x
  3. Step 3: Cross multiply
    30,462.56x = 45,670.68 × 21,077.63
  4. Step 4: Simplify right side
    30,462.56x = 962,629,466.54
  5. Step 5: Solve for x
    x = 962,629,466.54/30,462.56
  6. Step 6: Final answer
    x = 31,600.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.