Home / 20,729.96-31,095.99-5,941.05

Finding the Fourth Proportional to 20,729.96, 31,095.99 and 5,941.05

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Solution

The fourth proportional to 20,729.96, 31,095.99 and 5,941.05 is: 8,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,729.96 : 31,095.99 = 5,941.05 : x
  2. Step 2: Convert to fraction form
    20,729.96/31,095.99 = 5,941.05/x
  3. Step 3: Cross multiply
    20,729.96x = 31,095.99 × 5,941.05
  4. Step 4: Simplify right side
    20,729.96x = 184,742,831.39
  5. Step 5: Solve for x
    x = 184,742,831.39/20,729.96
  6. Step 6: Final answer
    x = 8,911.88

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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.