Home / 43,451.76-65,186.79-14,991.29

Finding the Fourth Proportional to 43,451.76, 65,186.79 and 14,991.29

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Solution

The fourth proportional to 43,451.76, 65,186.79 and 14,991.29 is: 22,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,451.76 : 65,186.79 = 14,991.29 : x
  2. Step 2: Convert to fraction form
    43,451.76/65,186.79 = 14,991.29/x
  3. Step 3: Cross multiply
    43,451.76x = 65,186.79 × 14,991.29
  4. Step 4: Simplify right side
    43,451.76x = 977,234,236.03
  5. Step 5: Solve for x
    x = 977,234,236.03/43,451.76
  6. Step 6: Final answer
    x = 22,490.10

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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.