Home / 43,305.72-64,965.39-18,345.93

Finding the Fourth Proportional to 43,305.72, 64,965.39 and 18,345.93

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Solution

The fourth proportional to 43,305.72, 64,965.39 and 18,345.93 is: 27,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,305.72 : 64,965.39 = 18,345.93 : x
  2. Step 2: Convert to fraction form
    43,305.72/64,965.39 = 18,345.93/x
  3. Step 3: Cross multiply
    43,305.72x = 64,965.39 × 18,345.93
  4. Step 4: Simplify right side
    43,305.72x = 1,191,850,497.36
  5. Step 5: Solve for x
    x = 1,191,850,497.36/43,305.72
  6. Step 6: Final answer
    x = 27,521.78

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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.