Home / 20,750.73-31,125.69-5,959.32

Finding the Fourth Proportional to 20,750.73, 31,125.69 and 5,959.32

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Solution

The fourth proportional to 20,750.73, 31,125.69 and 5,959.32 is: 8,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,750.73 : 31,125.69 = 5,959.32 : x
  2. Step 2: Convert to fraction form
    20,750.73/31,125.69 = 5,959.32/x
  3. Step 3: Cross multiply
    20,750.73x = 31,125.69 × 5,959.32
  4. Step 4: Simplify right side
    20,750.73x = 185,487,946.93
  5. Step 5: Solve for x
    x = 185,487,946.93/20,750.73
  6. Step 6: Final answer
    x = 8,938.86

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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.