Home / 49,985.85-74,950.43-20,369.01

Finding the Fourth Proportional to 49,985.85, 74,950.43 and 20,369.01

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Solution

The fourth proportional to 49,985.85, 74,950.43 and 20,369.01 is: 30,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,985.85 : 74,950.43 = 20,369.01 : x
  2. Step 2: Convert to fraction form
    49,985.85/74,950.43 = 20,369.01/x
  3. Step 3: Cross multiply
    49,985.85x = 74,950.43 × 20,369.01
  4. Step 4: Simplify right side
    49,985.85x = 1,526,665,956.33
  5. Step 5: Solve for x
    x = 1,526,665,956.33/49,985.85
  6. Step 6: Final answer
    x = 30,541.96

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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.