Home / 51,238.34-76,859.81-15,697.05

Finding the Fourth Proportional to 51,238.34, 76,859.81 and 15,697.05

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Solution

The fourth proportional to 51,238.34, 76,859.81 and 15,697.05 is: 23,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,238.34 : 76,859.81 = 15,697.05 : x
  2. Step 2: Convert to fraction form
    51,238.34/76,859.81 = 15,697.05/x
  3. Step 3: Cross multiply
    51,238.34x = 76,859.81 × 15,697.05
  4. Step 4: Simplify right side
    51,238.34x = 1,206,472,202.08
  5. Step 5: Solve for x
    x = 1,206,472,202.08/51,238.34
  6. Step 6: Final answer
    x = 23,546.28

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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.