Home / 60,421.26-83,404.62-40,270.80

Finding the Fourth Proportional to 60,421.26, 83,404.62 and 40,270.80

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Solution

The fourth proportional to 60,421.26, 83,404.62 and 40,270.80 is: 55,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,421.26 : 83,404.62 = 40,270.80 : x
  2. Step 2: Convert to fraction form
    60,421.26/83,404.62 = 40,270.80/x
  3. Step 3: Cross multiply
    60,421.26x = 83,404.62 × 40,270.80
  4. Step 4: Simplify right side
    60,421.26x = 3,358,770,771.10
  5. Step 5: Solve for x
    x = 3,358,770,771.10/60,421.26
  6. Step 6: Final answer
    x = 55,589.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.