Home / 45,575.10-68,357.85-12,293.12

Finding the Fourth Proportional to 45,575.10, 68,357.85 and 12,293.12

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Solution

The fourth proportional to 45,575.10, 68,357.85 and 12,293.12 is: 18,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,575.10 : 68,357.85 = 12,293.12 : x
  2. Step 2: Convert to fraction form
    45,575.10/68,357.85 = 12,293.12/x
  3. Step 3: Cross multiply
    45,575.10x = 68,357.85 × 12,293.12
  4. Step 4: Simplify right side
    45,575.10x = 840,330,911.20
  5. Step 5: Solve for x
    x = 840,330,911.20/45,575.10
  6. Step 6: Final answer
    x = 18,438.38

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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.