Home / 49,013.03-73,512.59-15,728.78

Finding the Fourth Proportional to 49,013.03, 73,512.59 and 15,728.78

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Solution

The fourth proportional to 49,013.03, 73,512.59 and 15,728.78 is: 23,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,013.03 : 73,512.59 = 15,728.78 : x
  2. Step 2: Convert to fraction form
    49,013.03/73,512.59 = 15,728.78/x
  3. Step 3: Cross multiply
    49,013.03x = 73,512.59 × 15,728.78
  4. Step 4: Simplify right side
    49,013.03x = 1,156,263,460.48
  5. Step 5: Solve for x
    x = 1,156,263,460.48/49,013.03
  6. Step 6: Final answer
    x = 23,590.94

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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.