Home / 55,177.10-76,144.51-31,299.16

Finding the Fourth Proportional to 55,177.10, 76,144.51 and 31,299.16

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Solution

The fourth proportional to 55,177.10, 76,144.51 and 31,299.16 is: 43,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,177.10 : 76,144.51 = 31,299.16 : x
  2. Step 2: Convert to fraction form
    55,177.10/76,144.51 = 31,299.16/x
  3. Step 3: Cross multiply
    55,177.10x = 76,144.51 × 31,299.16
  4. Step 4: Simplify right side
    55,177.10x = 2,383,259,017.09
  5. Step 5: Solve for x
    x = 2,383,259,017.09/55,177.10
  6. Step 6: Final answer
    x = 43,192.90

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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.