Home / 52,722.28-79,083.42-21,146.68

Finding the Fourth Proportional to 52,722.28, 79,083.42 and 21,146.68

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Solution

The fourth proportional to 52,722.28, 79,083.42 and 21,146.68 is: 31,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,722.28 : 79,083.42 = 21,146.68 : x
  2. Step 2: Convert to fraction form
    52,722.28/79,083.42 = 21,146.68/x
  3. Step 3: Cross multiply
    52,722.28x = 79,083.42 × 21,146.68
  4. Step 4: Simplify right side
    52,722.28x = 1,672,351,776.05
  5. Step 5: Solve for x
    x = 1,672,351,776.05/52,722.28
  6. Step 6: Final answer
    x = 31,720.02

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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.