Home / 53,421.03-80,149.97-20,150.62

Finding the Fourth Proportional to 53,421.03, 80,149.97 and 20,150.62

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Solution

The fourth proportional to 53,421.03, 80,149.97 and 20,150.62 is: 30,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,421.03 : 80,149.97 = 20,150.62 : x
  2. Step 2: Convert to fraction form
    53,421.03/80,149.97 = 20,150.62/x
  3. Step 3: Cross multiply
    53,421.03x = 80,149.97 × 20,150.62
  4. Step 4: Simplify right side
    53,421.03x = 1,615,071,438.48
  5. Step 5: Solve for x
    x = 1,615,071,438.48/53,421.03
  6. Step 6: Final answer
    x = 30,232.88

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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.