Home / 53,015.12-79,559.04-21,850.16

Finding the Fourth Proportional to 53,015.12, 79,559.04 and 21,850.16

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Solution

The fourth proportional to 53,015.12, 79,559.04 and 21,850.16 is: 32,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,015.12 : 79,559.04 = 21,850.16 : x
  2. Step 2: Convert to fraction form
    53,015.12/79,559.04 = 21,850.16/x
  3. Step 3: Cross multiply
    53,015.12x = 79,559.04 × 21,850.16
  4. Step 4: Simplify right side
    53,015.12x = 1,738,377,753.45
  5. Step 5: Solve for x
    x = 1,738,377,753.45/53,015.12
  6. Step 6: Final answer
    x = 32,790.23

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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.