Home / 30,680.82-45,953.76-25,355.46

Finding the Fourth Proportional to 30,680.82, 45,953.76 and 25,355.46

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Solution

The fourth proportional to 30,680.82, 45,953.76 and 25,355.46 is: 37,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.82 : 45,953.76 = 25,355.46 : x
  2. Step 2: Convert to fraction form
    30,680.82/45,953.76 = 25,355.46/x
  3. Step 3: Cross multiply
    30,680.82x = 45,953.76 × 25,355.46
  4. Step 4: Simplify right side
    30,680.82x = 1,165,178,723.53
  5. Step 5: Solve for x
    x = 1,165,178,723.53/30,680.82
  6. Step 6: Final answer
    x = 37,977.43

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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.