Home / 49,938.80-74,906.76-20,349.32

Finding the Fourth Proportional to 49,938.80, 74,906.76 and 20,349.32

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Solution

The fourth proportional to 49,938.80, 74,906.76 and 20,349.32 is: 30,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,938.80 : 74,906.76 = 20,349.32 : x
  2. Step 2: Convert to fraction form
    49,938.80/74,906.76 = 20,349.32/x
  3. Step 3: Cross multiply
    49,938.80x = 74,906.76 × 20,349.32
  4. Step 4: Simplify right side
    49,938.80x = 1,524,301,629.40
  5. Step 5: Solve for x
    x = 1,524,301,629.40/49,938.80
  6. Step 6: Final answer
    x = 30,523.39

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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.