Home / 43,769.48-65,665.50-12,607.16

Finding the Fourth Proportional to 43,769.48, 65,665.50 and 12,607.16

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Solution

The fourth proportional to 43,769.48, 65,665.50 and 12,607.16 is: 18,913.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,769.48 : 65,665.50 = 12,607.16 : x
  2. Step 2: Convert to fraction form
    43,769.48/65,665.50 = 12,607.16/x
  3. Step 3: Cross multiply
    43,769.48x = 65,665.50 × 12,607.16
  4. Step 4: Simplify right side
    43,769.48x = 827,855,464.98
  5. Step 5: Solve for x
    x = 827,855,464.98/43,769.48
  6. Step 6: Final answer
    x = 18,913.99

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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.