Home / 45,587.98-68,387.42-13,993.90

Finding the Fourth Proportional to 45,587.98, 68,387.42 and 13,993.90

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Solution

The fourth proportional to 45,587.98, 68,387.42 and 13,993.90 is: 20,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,587.98 : 68,387.42 = 13,993.90 : x
  2. Step 2: Convert to fraction form
    45,587.98/68,387.42 = 13,993.90/x
  3. Step 3: Cross multiply
    45,587.98x = 68,387.42 × 13,993.90
  4. Step 4: Simplify right side
    45,587.98x = 957,006,580.75
  5. Step 5: Solve for x
    x = 957,006,580.75/45,587.98
  6. Step 6: Final answer
    x = 20,992.52

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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.