Home / 53,717.03-80,610.53-20,437.39

Finding the Fourth Proportional to 53,717.03, 80,610.53 and 20,437.39

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Solution

The fourth proportional to 53,717.03, 80,610.53 and 20,437.39 is: 30,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,717.03 : 80,610.53 = 20,437.39 : x
  2. Step 2: Convert to fraction form
    53,717.03/80,610.53 = 20,437.39/x
  3. Step 3: Cross multiply
    53,717.03x = 80,610.53 × 20,437.39
  4. Step 4: Simplify right side
    53,717.03x = 1,647,468,683.43
  5. Step 5: Solve for x
    x = 1,647,468,683.43/53,717.03
  6. Step 6: Final answer
    x = 30,669.39

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1.5x scale

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.