Home / 40,458.32-60,703.68-14,181.92

Finding the Fourth Proportional to 40,458.32, 60,703.68 and 14,181.92

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Solution

The fourth proportional to 40,458.32, 60,703.68 and 14,181.92 is: 21,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,458.32 : 60,703.68 = 14,181.92 : x
  2. Step 2: Convert to fraction form
    40,458.32/60,703.68 = 14,181.92/x
  3. Step 3: Cross multiply
    40,458.32x = 60,703.68 × 14,181.92
  4. Step 4: Simplify right side
    40,458.32x = 860,894,733.47
  5. Step 5: Solve for x
    x = 860,894,733.47/40,458.32
  6. Step 6: Final answer
    x = 21,278.56

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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.