Home / 31,875.09-43,987.68-17,727.96

Finding the Fourth Proportional to 31,875.09, 43,987.68 and 17,727.96

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Solution

The fourth proportional to 31,875.09, 43,987.68 and 17,727.96 is: 24,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,875.09 : 43,987.68 = 17,727.96 : x
  2. Step 2: Convert to fraction form
    31,875.09/43,987.68 = 17,727.96/x
  3. Step 3: Cross multiply
    31,875.09x = 43,987.68 × 17,727.96
  4. Step 4: Simplify right side
    31,875.09x = 779,811,831.53
  5. Step 5: Solve for x
    x = 779,811,831.53/31,875.09
  6. Step 6: Final answer
    x = 24,464.62

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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.