Home / 43,908.08-65,970.32-28,119.96

Finding the Fourth Proportional to 43,908.08, 65,970.32 and 28,119.96

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Solution

The fourth proportional to 43,908.08, 65,970.32 and 28,119.96 is: 42,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.08 : 65,970.32 = 28,119.96 : x
  2. Step 2: Convert to fraction form
    43,908.08/65,970.32 = 28,119.96/x
  3. Step 3: Cross multiply
    43,908.08x = 65,970.32 × 28,119.96
  4. Step 4: Simplify right side
    43,908.08x = 1,855,082,618.99
  5. Step 5: Solve for x
    x = 1,855,082,618.99/43,908.08
  6. Step 6: Final answer
    x = 42,249.24

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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.