Home / 40,453.12-60,656.64-19,650.56

Finding the Fourth Proportional to 40,453.12, 60,656.64 and 19,650.56

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Solution

The fourth proportional to 40,453.12, 60,656.64 and 19,650.56 is: 29,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,453.12 : 60,656.64 = 19,650.56 : x
  2. Step 2: Convert to fraction form
    40,453.12/60,656.64 = 19,650.56/x
  3. Step 3: Cross multiply
    40,453.12x = 60,656.64 × 19,650.56
  4. Step 4: Simplify right side
    40,453.12x = 1,191,936,943.72
  5. Step 5: Solve for x
    x = 1,191,936,943.72/40,453.12
  6. Step 6: Final answer
    x = 29,464.65

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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.