Home / 56,928.57-85,327.21-30,577.96

Finding the Fourth Proportional to 56,928.57, 85,327.21 and 30,577.96

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Solution

The fourth proportional to 56,928.57, 85,327.21 and 30,577.96 is: 45,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,928.57 : 85,327.21 = 30,577.96 : x
  2. Step 2: Convert to fraction form
    56,928.57/85,327.21 = 30,577.96/x
  3. Step 3: Cross multiply
    56,928.57x = 85,327.21 × 30,577.96
  4. Step 4: Simplify right side
    56,928.57x = 2,609,132,014.29
  5. Step 5: Solve for x
    x = 2,609,132,014.29/56,928.57
  6. Step 6: Final answer
    x = 45,831.68

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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.