Home / 54,945.95-75,829.16-31,072.61

Finding the Fourth Proportional to 54,945.95, 75,829.16 and 31,072.61

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Solution

The fourth proportional to 54,945.95, 75,829.16 and 31,072.61 is: 42,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,945.95 : 75,829.16 = 31,072.61 : x
  2. Step 2: Convert to fraction form
    54,945.95/75,829.16 = 31,072.61/x
  3. Step 3: Cross multiply
    54,945.95x = 75,829.16 × 31,072.61
  4. Step 4: Simplify right side
    54,945.95x = 2,356,210,182.56
  5. Step 5: Solve for x
    x = 2,356,210,182.56/54,945.95
  6. Step 6: Final answer
    x = 42,882.33

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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.