Home / 56,277.96-84,429.42-21,217.92

Finding the Fourth Proportional to 56,277.96, 84,429.42 and 21,217.92

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Solution

The fourth proportional to 56,277.96, 84,429.42 and 21,217.92 is: 31,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,277.96 : 84,429.42 = 21,217.92 : x
  2. Step 2: Convert to fraction form
    56,277.96/84,429.42 = 21,217.92/x
  3. Step 3: Cross multiply
    56,277.96x = 84,429.42 × 21,217.92
  4. Step 4: Simplify right side
    56,277.96x = 1,791,416,679.21
  5. Step 5: Solve for x
    x = 1,791,416,679.21/56,277.96
  6. Step 6: Final answer
    x = 31,831.59

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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.