Home / 53,638.62-80,470.08-28,665.51

Finding the Fourth Proportional to 53,638.62, 80,470.08 and 28,665.51

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Solution

The fourth proportional to 53,638.62, 80,470.08 and 28,665.51 is: 43,004.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638.62 : 80,470.08 = 28,665.51 : x
  2. Step 2: Convert to fraction form
    53,638.62/80,470.08 = 28,665.51/x
  3. Step 3: Cross multiply
    53,638.62x = 80,470.08 × 28,665.51
  4. Step 4: Simplify right side
    53,638.62x = 2,306,715,581.18
  5. Step 5: Solve for x
    x = 2,306,715,581.18/53,638.62
  6. Step 6: Final answer
    x = 43,004.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.