Home / 30,637.58-45,965.25-10,917.68

Finding the Fourth Proportional to 30,637.58, 45,965.25 and 10,917.68

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Solution

The fourth proportional to 30,637.58, 45,965.25 and 10,917.68 is: 16,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.58 : 45,965.25 = 10,917.68 : x
  2. Step 2: Convert to fraction form
    30,637.58/45,965.25 = 10,917.68/x
  3. Step 3: Cross multiply
    30,637.58x = 45,965.25 × 10,917.68
  4. Step 4: Simplify right side
    30,637.58x = 501,833,660.79
  5. Step 5: Solve for x
    x = 501,833,660.79/30,637.58
  6. Step 6: Final answer
    x = 16,379.68

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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.