Home / 55,644.04-76,789.92-30,495.16

Finding the Fourth Proportional to 55,644.04, 76,789.92 and 30,495.16

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Solution

The fourth proportional to 55,644.04, 76,789.92 and 30,495.16 is: 42,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,644.04 : 76,789.92 = 30,495.16 : x
  2. Step 2: Convert to fraction form
    55,644.04/76,789.92 = 30,495.16/x
  3. Step 3: Cross multiply
    55,644.04x = 76,789.92 × 30,495.16
  4. Step 4: Simplify right side
    55,644.04x = 2,341,720,896.79
  5. Step 5: Solve for x
    x = 2,341,720,896.79/55,644.04
  6. Step 6: Final answer
    x = 42,083.95

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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.