Home / 45,723.96-68,590.80-12,442.68

Finding the Fourth Proportional to 45,723.96, 68,590.80 and 12,442.68

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Solution

The fourth proportional to 45,723.96, 68,590.80 and 12,442.68 is: 18,665.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,723.96 : 68,590.80 = 12,442.68 : x
  2. Step 2: Convert to fraction form
    45,723.96/68,590.80 = 12,442.68/x
  3. Step 3: Cross multiply
    45,723.96x = 68,590.80 × 12,442.68
  4. Step 4: Simplify right side
    45,723.96x = 853,453,375.34
  5. Step 5: Solve for x
    x = 853,453,375.34/45,723.96
  6. Step 6: Final answer
    x = 18,665.34

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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.