Home / 53,621.25-80,437.35-18,560.81

Finding the Fourth Proportional to 53,621.25, 80,437.35 and 18,560.81

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Solution

The fourth proportional to 53,621.25, 80,437.35 and 18,560.81 is: 27,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.25 : 80,437.35 = 18,560.81 : x
  2. Step 2: Convert to fraction form
    53,621.25/80,437.35 = 18,560.81/x
  3. Step 3: Cross multiply
    53,621.25x = 80,437.35 × 18,560.81
  4. Step 4: Simplify right side
    53,621.25x = 1,492,982,370.25
  5. Step 5: Solve for x
    x = 1,492,982,370.25/53,621.25
  6. Step 6: Final answer
    x = 27,843.11

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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.