Home / 53,717.10-80,575.68-20,429.48

Finding the Fourth Proportional to 53,717.10, 80,575.68 and 20,429.48

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Solution

The fourth proportional to 53,717.10, 80,575.68 and 20,429.48 is: 30,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,717.10 : 80,575.68 = 20,429.48 : x
  2. Step 2: Convert to fraction form
    53,717.10/80,575.68 = 20,429.48/x
  3. Step 3: Cross multiply
    53,717.10x = 80,575.68 × 20,429.48
  4. Step 4: Simplify right side
    53,717.10x = 1,646,119,243.05
  5. Step 5: Solve for x
    x = 1,646,119,243.05/53,717.10
  6. Step 6: Final answer
    x = 30,644.23

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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.