Home / 39,961.67-55,146.69-22,056.84

Finding the Fourth Proportional to 39,961.67, 55,146.69 and 22,056.84

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Solution

The fourth proportional to 39,961.67, 55,146.69 and 22,056.84 is: 30,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.67 : 55,146.69 = 22,056.84 : x
  2. Step 2: Convert to fraction form
    39,961.67/55,146.69 = 22,056.84/x
  3. Step 3: Cross multiply
    39,961.67x = 55,146.69 × 22,056.84
  4. Step 4: Simplify right side
    39,961.67x = 1,216,361,717.86
  5. Step 5: Solve for x
    x = 1,216,361,717.86/39,961.67
  6. Step 6: Final answer
    x = 30,438.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.