Home / 49,647.72-74,486.16-20,086.77

Finding the Fourth Proportional to 49,647.72, 74,486.16 and 20,086.77

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Solution

The fourth proportional to 49,647.72, 74,486.16 and 20,086.77 is: 30,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,647.72 : 74,486.16 = 20,086.77 : x
  2. Step 2: Convert to fraction form
    49,647.72/74,486.16 = 20,086.77/x
  3. Step 3: Cross multiply
    49,647.72x = 74,486.16 × 20,086.77
  4. Step 4: Simplify right side
    49,647.72x = 1,496,186,364.10
  5. Step 5: Solve for x
    x = 1,496,186,364.10/49,647.72
  6. Step 6: Final answer
    x = 30,136.05

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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.