Home / 40,382.72-60,580.32-12,674.24

Finding the Fourth Proportional to 40,382.72, 60,580.32 and 12,674.24

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Solution

The fourth proportional to 40,382.72, 60,580.32 and 12,674.24 is: 19,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,382.72 : 60,580.32 = 12,674.24 : x
  2. Step 2: Convert to fraction form
    40,382.72/60,580.32 = 12,674.24/x
  3. Step 3: Cross multiply
    40,382.72x = 60,580.32 × 12,674.24
  4. Step 4: Simplify right side
    40,382.72x = 767,809,514.96
  5. Step 5: Solve for x
    x = 767,809,514.96/40,382.72
  6. Step 6: Final answer
    x = 19,013.32

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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.