Home / 45,538.07-68,315.00-13,947.38

Finding the Fourth Proportional to 45,538.07, 68,315.00 and 13,947.38

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Solution

The fourth proportional to 45,538.07, 68,315.00 and 13,947.38 is: 20,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,538.07 : 68,315.00 = 13,947.38 : x
  2. Step 2: Convert to fraction form
    45,538.07/68,315.00 = 13,947.38/x
  3. Step 3: Cross multiply
    45,538.07x = 68,315.00 × 13,947.38
  4. Step 4: Simplify right side
    45,538.07x = 952,814,853.39
  5. Step 5: Solve for x
    x = 952,814,853.39/45,538.07
  6. Step 6: Final answer
    x = 20,923.48

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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.