Home / 40,467.08-60,707.56-12,386.44

Finding the Fourth Proportional to 40,467.08, 60,707.56 and 12,386.44

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Solution

The fourth proportional to 40,467.08, 60,707.56 and 12,386.44 is: 18,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,467.08 : 60,707.56 = 12,386.44 : x
  2. Step 2: Convert to fraction form
    40,467.08/60,707.56 = 12,386.44/x
  3. Step 3: Cross multiply
    40,467.08x = 60,707.56 × 12,386.44
  4. Step 4: Simplify right side
    40,467.08x = 751,950,549.49
  5. Step 5: Solve for x
    x = 751,950,549.49/40,467.08
  6. Step 6: Final answer
    x = 18,581.78

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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.