Home / 49,503.48-74,236.86-19,911.21

Finding the Fourth Proportional to 49,503.48, 74,236.86 and 19,911.21

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Solution

The fourth proportional to 49,503.48, 74,236.86 and 19,911.21 is: 29,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,503.48 : 74,236.86 = 19,911.21 : x
  2. Step 2: Convert to fraction form
    49,503.48/74,236.86 = 19,911.21/x
  3. Step 3: Cross multiply
    49,503.48x = 74,236.86 × 19,911.21
  4. Step 4: Simplify right side
    49,503.48x = 1,478,145,709.20
  5. Step 5: Solve for x
    x = 1,478,145,709.20/49,503.48
  6. Step 6: Final answer
    x = 29,859.43

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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.