Home / 34,679.54-47,857.64-18,764

Finding the Fourth Proportional to 34,679.54, 47,857.64 and 18,764

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Solution

The fourth proportional to 34,679.54, 47,857.64 and 18,764 is: 25,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,679.54 : 47,857.64 = 18,764 : x
  2. Step 2: Convert to fraction form
    34,679.54/47,857.64 = 18,764/x
  3. Step 3: Cross multiply
    34,679.54x = 47,857.64 × 18,764
  4. Step 4: Simplify right side
    34,679.54x = 898,000,756.96
  5. Step 5: Solve for x
    x = 898,000,756.96/34,679.54
  6. Step 6: Final answer
    x = 25,894.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.