Home / 50,139.68-75,210.60-16,860.80

Finding the Fourth Proportional to 50,139.68, 75,210.60 and 16,860.80

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Solution

The fourth proportional to 50,139.68, 75,210.60 and 16,860.80 is: 25,291.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,139.68 : 75,210.60 = 16,860.80 : x
  2. Step 2: Convert to fraction form
    50,139.68/75,210.60 = 16,860.80/x
  3. Step 3: Cross multiply
    50,139.68x = 75,210.60 × 16,860.80
  4. Step 4: Simplify right side
    50,139.68x = 1,268,110,884.48
  5. Step 5: Solve for x
    x = 1,268,110,884.48/50,139.68
  6. Step 6: Final answer
    x = 25,291.56

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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.