Home / 53,499.42-80,257.32-18,431.10

Finding the Fourth Proportional to 53,499.42, 80,257.32 and 18,431.10

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Solution

The fourth proportional to 53,499.42, 80,257.32 and 18,431.10 is: 27,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,499.42 : 80,257.32 = 18,431.10 : x
  2. Step 2: Convert to fraction form
    53,499.42/80,257.32 = 18,431.10/x
  3. Step 3: Cross multiply
    53,499.42x = 80,257.32 × 18,431.10
  4. Step 4: Simplify right side
    53,499.42x = 1,479,230,690.65
  5. Step 5: Solve for x
    x = 1,479,230,690.65/53,499.42
  6. Step 6: Final answer
    x = 27,649.47

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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.