Home / 45,257.36-67,894.86-13,669.96

Finding the Fourth Proportional to 45,257.36, 67,894.86 and 13,669.96

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Solution

The fourth proportional to 45,257.36, 67,894.86 and 13,669.96 is: 20,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,257.36 : 67,894.86 = 13,669.96 : x
  2. Step 2: Convert to fraction form
    45,257.36/67,894.86 = 13,669.96/x
  3. Step 3: Cross multiply
    45,257.36x = 67,894.86 × 13,669.96
  4. Step 4: Simplify right side
    45,257.36x = 928,120,020.41
  5. Step 5: Solve for x
    x = 928,120,020.41/45,257.36
  6. Step 6: Final answer
    x = 20,507.60

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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.