Home / 52,149.27-78,230.03-18,885.03

Finding the Fourth Proportional to 52,149.27, 78,230.03 and 18,885.03

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Solution

The fourth proportional to 52,149.27, 78,230.03 and 18,885.03 is: 28,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,149.27 : 78,230.03 = 18,885.03 : x
  2. Step 2: Convert to fraction form
    52,149.27/78,230.03 = 18,885.03/x
  3. Step 3: Cross multiply
    52,149.27x = 78,230.03 × 18,885.03
  4. Step 4: Simplify right side
    52,149.27x = 1,477,376,369.03
  5. Step 5: Solve for x
    x = 1,477,376,369.03/52,149.27
  6. Step 6: Final answer
    x = 28,329.76

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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.