Home / 20,752.35-31,128.74-5,961.24

Finding the Fourth Proportional to 20,752.35, 31,128.74 and 5,961.24

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Solution

The fourth proportional to 20,752.35, 31,128.74 and 5,961.24 is: 8,941.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752.35 : 31,128.74 = 5,961.24 : x
  2. Step 2: Convert to fraction form
    20,752.35/31,128.74 = 5,961.24/x
  3. Step 3: Cross multiply
    20,752.35x = 31,128.74 × 5,961.24
  4. Step 4: Simplify right side
    20,752.35x = 185,565,890.04
  5. Step 5: Solve for x
    x = 185,565,890.04/20,752.35
  6. Step 6: Final answer
    x = 8,941.92

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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.