Home / 55,659.75-83,497.49-18,222.87

Finding the Fourth Proportional to 55,659.75, 83,497.49 and 18,222.87

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Solution

The fourth proportional to 55,659.75, 83,497.49 and 18,222.87 is: 27,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,659.75 : 83,497.49 = 18,222.87 : x
  2. Step 2: Convert to fraction form
    55,659.75/83,497.49 = 18,222.87/x
  3. Step 3: Cross multiply
    55,659.75x = 83,497.49 × 18,222.87
  4. Step 4: Simplify right side
    55,659.75x = 1,521,563,905.60
  5. Step 5: Solve for x
    x = 1,521,563,905.60/55,659.75
  6. Step 6: Final answer
    x = 27,336.88

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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.