Home / 34,679.31-47,857.46-18,763.71

Finding the Fourth Proportional to 34,679.31, 47,857.46 and 18,763.71

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Solution

The fourth proportional to 34,679.31, 47,857.46 and 18,763.71 is: 25,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,679.31 : 47,857.46 = 18,763.71 : x
  2. Step 2: Convert to fraction form
    34,679.31/47,857.46 = 18,763.71/x
  3. Step 3: Cross multiply
    34,679.31x = 47,857.46 × 18,763.71
  4. Step 4: Simplify right side
    34,679.31x = 897,983,406.96
  5. Step 5: Solve for x
    x = 897,983,406.96/34,679.31
  6. Step 6: Final answer
    x = 25,893.92

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1.5x scale

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.