Home / 55,428.56-76,497.49-31,551.38

Finding the Fourth Proportional to 55,428.56, 76,497.49 and 31,551.38

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Solution

The fourth proportional to 55,428.56, 76,497.49 and 31,551.38 is: 43,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,428.56 : 76,497.49 = 31,551.38 : x
  2. Step 2: Convert to fraction form
    55,428.56/76,497.49 = 31,551.38/x
  3. Step 3: Cross multiply
    55,428.56x = 76,497.49 × 31,551.38
  4. Step 4: Simplify right side
    55,428.56x = 2,413,601,376.04
  5. Step 5: Solve for x
    x = 2,413,601,376.04/55,428.56
  6. Step 6: Final answer
    x = 43,544.36

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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.