Home / 49,495.10-74,245.68-19,912.91

Finding the Fourth Proportional to 49,495.10, 74,245.68 and 19,912.91

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Solution

The fourth proportional to 49,495.10, 74,245.68 and 19,912.91 is: 29,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,495.10 : 74,245.68 = 19,912.91 : x
  2. Step 2: Convert to fraction form
    49,495.10/74,245.68 = 19,912.91/x
  3. Step 3: Cross multiply
    49,495.10x = 74,245.68 × 19,912.91
  4. Step 4: Simplify right side
    49,495.10x = 1,478,447,172.50
  5. Step 5: Solve for x
    x = 1,478,447,172.50/49,495.10
  6. Step 6: Final answer
    x = 29,870.58

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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.