Home / 53,740.56-80,610.60-20,452.80

Finding the Fourth Proportional to 53,740.56, 80,610.60 and 20,452.80

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Solution

The fourth proportional to 53,740.56, 80,610.60 and 20,452.80 is: 30,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,740.56 : 80,610.60 = 20,452.80 : x
  2. Step 2: Convert to fraction form
    53,740.56/80,610.60 = 20,452.80/x
  3. Step 3: Cross multiply
    53,740.56x = 80,610.60 × 20,452.80
  4. Step 4: Simplify right side
    53,740.56x = 1,648,712,479.68
  5. Step 5: Solve for x
    x = 1,648,712,479.68/53,740.56
  6. Step 6: Final answer
    x = 30,679.11

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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.