Home / 45,254.90-67,891.91-13,667.33

Finding the Fourth Proportional to 45,254.90, 67,891.91 and 13,667.33

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Solution

The fourth proportional to 45,254.90, 67,891.91 and 13,667.33 is: 20,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,254.90 : 67,891.91 = 13,667.33 : x
  2. Step 2: Convert to fraction form
    45,254.90/67,891.91 = 13,667.33/x
  3. Step 3: Cross multiply
    45,254.90x = 67,891.91 × 13,667.33
  4. Step 4: Simplify right side
    45,254.90x = 927,901,239.69
  5. Step 5: Solve for x
    x = 927,901,239.69/45,254.90
  6. Step 6: Final answer
    x = 20,503.88

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1.5x scale

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.