Home / 40,704.32-61,048.38-11,115.12

Finding the Fourth Proportional to 40,704.32, 61,048.38 and 11,115.12

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Solution

The fourth proportional to 40,704.32, 61,048.38 and 11,115.12 is: 16,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,704.32 : 61,048.38 = 11,115.12 : x
  2. Step 2: Convert to fraction form
    40,704.32/61,048.38 = 11,115.12/x
  3. Step 3: Cross multiply
    40,704.32x = 61,048.38 × 11,115.12
  4. Step 4: Simplify right side
    40,704.32x = 678,560,340.12
  5. Step 5: Solve for x
    x = 678,560,340.12/40,704.32
  6. Step 6: Final answer
    x = 16,670.47

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1.5x scale

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.