Home / 45,435.72-68,158.04-17,379.35

Finding the Fourth Proportional to 45,435.72, 68,158.04 and 17,379.35

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Solution

The fourth proportional to 45,435.72, 68,158.04 and 17,379.35 is: 26,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435.72 : 68,158.04 = 17,379.35 : x
  2. Step 2: Convert to fraction form
    45,435.72/68,158.04 = 17,379.35/x
  3. Step 3: Cross multiply
    45,435.72x = 68,158.04 × 17,379.35
  4. Step 4: Simplify right side
    45,435.72x = 1,184,542,432.47
  5. Step 5: Solve for x
    x = 1,184,542,432.47/45,435.72
  6. Step 6: Final answer
    x = 26,070.73

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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.