Home / 53,399.52-80,081.06-21,804.66

Finding the Fourth Proportional to 53,399.52, 80,081.06 and 21,804.66

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Solution

The fourth proportional to 53,399.52, 80,081.06 and 21,804.66 is: 32,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,399.52 : 80,081.06 = 21,804.66 : x
  2. Step 2: Convert to fraction form
    53,399.52/80,081.06 = 21,804.66/x
  3. Step 3: Cross multiply
    53,399.52x = 80,081.06 × 21,804.66
  4. Step 4: Simplify right side
    53,399.52x = 1,746,140,176.72
  5. Step 5: Solve for x
    x = 1,746,140,176.72/53,399.52
  6. Step 6: Final answer
    x = 32,699.55

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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.