Home / 50,110.65-75,165.91-20,528.53

Finding the Fourth Proportional to 50,110.65, 75,165.91 and 20,528.53

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Solution

The fourth proportional to 50,110.65, 75,165.91 and 20,528.53 is: 30,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,110.65 : 75,165.91 = 20,528.53 : x
  2. Step 2: Convert to fraction form
    50,110.65/75,165.91 = 20,528.53/x
  3. Step 3: Cross multiply
    50,110.65x = 75,165.91 × 20,528.53
  4. Step 4: Simplify right side
    50,110.65x = 1,543,045,638.41
  5. Step 5: Solve for x
    x = 1,543,045,638.41/50,110.65
  6. Step 6: Final answer
    x = 30,792.77

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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.