Home / 43,465.32-65,185.20-18,505.08

Finding the Fourth Proportional to 43,465.32, 65,185.20 and 18,505.08

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Solution

The fourth proportional to 43,465.32, 65,185.20 and 18,505.08 is: 27,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,465.32 : 65,185.20 = 18,505.08 : x
  2. Step 2: Convert to fraction form
    43,465.32/65,185.20 = 18,505.08/x
  3. Step 3: Cross multiply
    43,465.32x = 65,185.20 × 18,505.08
  4. Step 4: Simplify right side
    43,465.32x = 1,206,257,340.82
  5. Step 5: Solve for x
    x = 1,206,257,340.82/43,465.32
  6. Step 6: Final answer
    x = 27,752.18

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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.