Home / 45,134.45-62,247.78-33,830.49

Finding the Fourth Proportional to 45,134.45, 62,247.78 and 33,830.49

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Solution

The fourth proportional to 45,134.45, 62,247.78 and 33,830.49 is: 46,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,134.45 : 62,247.78 = 33,830.49 : x
  2. Step 2: Convert to fraction form
    45,134.45/62,247.78 = 33,830.49/x
  3. Step 3: Cross multiply
    45,134.45x = 62,247.78 × 33,830.49
  4. Step 4: Simplify right side
    45,134.45x = 2,105,872,898.81
  5. Step 5: Solve for x
    x = 2,105,872,898.81/45,134.45
  6. Step 6: Final answer
    x = 46,657.78

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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.