Home / 54,828.69-75,659.36-30,957.72

Finding the Fourth Proportional to 54,828.69, 75,659.36 and 30,957.72

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Solution

The fourth proportional to 54,828.69, 75,659.36 and 30,957.72 is: 42,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,828.69 : 75,659.36 = 30,957.72 : x
  2. Step 2: Convert to fraction form
    54,828.69/75,659.36 = 30,957.72/x
  3. Step 3: Cross multiply
    54,828.69x = 75,659.36 × 30,957.72
  4. Step 4: Simplify right side
    54,828.69x = 2,342,241,282.26
  5. Step 5: Solve for x
    x = 2,342,241,282.26/54,828.69
  6. Step 6: Final answer
    x = 42,719.26

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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.