Home / 54,588.27-75,333.28-30,715.79

Finding the Fourth Proportional to 54,588.27, 75,333.28 and 30,715.79

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Solution

The fourth proportional to 54,588.27, 75,333.28 and 30,715.79 is: 42,388.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,588.27 : 75,333.28 = 30,715.79 : x
  2. Step 2: Convert to fraction form
    54,588.27/75,333.28 = 30,715.79/x
  3. Step 3: Cross multiply
    54,588.27x = 75,333.28 × 30,715.79
  4. Step 4: Simplify right side
    54,588.27x = 2,313,921,208.49
  5. Step 5: Solve for x
    x = 2,313,921,208.49/54,588.27
  6. Step 6: Final answer
    x = 42,388.62

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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.