Home / 54,743.63-75,548.80-30,869.79

Finding the Fourth Proportional to 54,743.63, 75,548.80 and 30,869.79

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Solution

The fourth proportional to 54,743.63, 75,548.80 and 30,869.79 is: 42,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.63 : 75,548.80 = 30,869.79 : x
  2. Step 2: Convert to fraction form
    54,743.63/75,548.80 = 30,869.79/x
  3. Step 3: Cross multiply
    54,743.63x = 75,548.80 × 30,869.79
  4. Step 4: Simplify right side
    54,743.63x = 2,332,175,590.75
  5. Step 5: Solve for x
    x = 2,332,175,590.75/54,743.63
  6. Step 6: Final answer
    x = 42,601.77

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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.