Home / 45,927.46-68,918.78-19,632.21

Finding the Fourth Proportional to 45,927.46, 68,918.78 and 19,632.21

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Solution

The fourth proportional to 45,927.46, 68,918.78 and 19,632.21 is: 29,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,927.46 : 68,918.78 = 19,632.21 : x
  2. Step 2: Convert to fraction form
    45,927.46/68,918.78 = 19,632.21/x
  3. Step 3: Cross multiply
    45,927.46x = 68,918.78 × 19,632.21
  4. Step 4: Simplify right side
    45,927.46x = 1,353,027,752.54
  5. Step 5: Solve for x
    x = 1,353,027,752.54/45,927.46
  6. Step 6: Final answer
    x = 29,460.11

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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.