Home / 45,100.52-67,642.86-13,936.04

Finding the Fourth Proportional to 45,100.52, 67,642.86 and 13,936.04

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Solution

The fourth proportional to 45,100.52, 67,642.86 and 13,936.04 is: 20,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,100.52 : 67,642.86 = 13,936.04 : x
  2. Step 2: Convert to fraction form
    45,100.52/67,642.86 = 13,936.04/x
  3. Step 3: Cross multiply
    45,100.52x = 67,642.86 × 13,936.04
  4. Step 4: Simplify right side
    45,100.52x = 942,673,602.67
  5. Step 5: Solve for x
    x = 942,673,602.67/45,100.52
  6. Step 6: Final answer
    x = 20,901.61

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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.