Home / 50,074.60-75,132.84-21,980.16

Finding the Fourth Proportional to 50,074.60, 75,132.84 and 21,980.16

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Solution

The fourth proportional to 50,074.60, 75,132.84 and 21,980.16 is: 32,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,074.60 : 75,132.84 = 21,980.16 : x
  2. Step 2: Convert to fraction form
    50,074.60/75,132.84 = 21,980.16/x
  3. Step 3: Cross multiply
    50,074.60x = 75,132.84 × 21,980.16
  4. Step 4: Simplify right side
    50,074.60x = 1,651,431,844.45
  5. Step 5: Solve for x
    x = 1,651,431,844.45/50,074.60
  6. Step 6: Final answer
    x = 32,979.43

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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.