Home / 40,045.73-60,050.36-21,320.96

Finding the Fourth Proportional to 40,045.73, 60,050.36 and 21,320.96

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Solution

The fourth proportional to 40,045.73, 60,050.36 and 21,320.96 is: 31,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.73 : 60,050.36 = 21,320.96 : x
  2. Step 2: Convert to fraction form
    40,045.73/60,050.36 = 21,320.96/x
  3. Step 3: Cross multiply
    40,045.73x = 60,050.36 × 21,320.96
  4. Step 4: Simplify right side
    40,045.73x = 1,280,331,076.60
  5. Step 5: Solve for x
    x = 1,280,331,076.60/40,045.73
  6. Step 6: Final answer
    x = 31,971.73

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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.