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Finding the Fourth Proportional to 51,119.78, 76,568.78 and 24,769.26

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Solution

The fourth proportional to 51,119.78, 76,568.78 and 24,769.26 is: 37,100.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,119.78 : 76,568.78 = 24,769.26 : x
  2. Step 2: Convert to fraction form
    51,119.78/76,568.78 = 24,769.26/x
  3. Step 3: Cross multiply
    51,119.78x = 76,568.78 × 24,769.26
  4. Step 4: Simplify right side
    51,119.78x = 1,896,552,019.70
  5. Step 5: Solve for x
    x = 1,896,552,019.70/51,119.78
  6. Step 6: Final answer
    x = 37,100.16

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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.