Home / 47,424.22-65,475.94-30,435.79

Finding the Fourth Proportional to 47,424.22, 65,475.94 and 30,435.79

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Solution

The fourth proportional to 47,424.22, 65,475.94 and 30,435.79 is: 42,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,424.22 : 65,475.94 = 30,435.79 : x
  2. Step 2: Convert to fraction form
    47,424.22/65,475.94 = 30,435.79/x
  3. Step 3: Cross multiply
    47,424.22x = 65,475.94 × 30,435.79
  4. Step 4: Simplify right side
    47,424.22x = 1,992,811,814.35
  5. Step 5: Solve for x
    x = 1,992,811,814.35/47,424.22
  6. Step 6: Final answer
    x = 42,020.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.