Home / 21,332.44-31,999.40-5,750.44

Finding the Fourth Proportional to 21,332.44, 31,999.40 and 5,750.44

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Solution

The fourth proportional to 21,332.44, 31,999.40 and 5,750.44 is: 8,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.44 : 31,999.40 = 5,750.44 : x
  2. Step 2: Convert to fraction form
    21,332.44/31,999.40 = 5,750.44/x
  3. Step 3: Cross multiply
    21,332.44x = 31,999.40 × 5,750.44
  4. Step 4: Simplify right side
    21,332.44x = 184,010,629.74
  5. Step 5: Solve for x
    x = 184,010,629.74/21,332.44
  6. Step 6: Final answer
    x = 8,625.86

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1.5x scale

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.