Home / 55,133.88-76,084.38-29,983.38

Finding the Fourth Proportional to 55,133.88, 76,084.38 and 29,983.38

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Solution

The fourth proportional to 55,133.88, 76,084.38 and 29,983.38 is: 41,376.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,133.88 : 76,084.38 = 29,983.38 : x
  2. Step 2: Convert to fraction form
    55,133.88/76,084.38 = 29,983.38/x
  3. Step 3: Cross multiply
    55,133.88x = 76,084.38 × 29,983.38
  4. Step 4: Simplify right side
    55,133.88x = 2,281,266,877.60
  5. Step 5: Solve for x
    x = 2,281,266,877.60/55,133.88
  6. Step 6: Final answer
    x = 41,376.86

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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.