Home / 47,611.92-71,411.64-12,554.34

Finding the Fourth Proportional to 47,611.92, 71,411.64 and 12,554.34

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Solution

The fourth proportional to 47,611.92, 71,411.64 and 12,554.34 is: 18,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,611.92 : 71,411.64 = 12,554.34 : x
  2. Step 2: Convert to fraction form
    47,611.92/71,411.64 = 12,554.34/x
  3. Step 3: Cross multiply
    47,611.92x = 71,411.64 × 12,554.34
  4. Step 4: Simplify right side
    47,611.92x = 896,526,008.52
  5. Step 5: Solve for x
    x = 896,526,008.52/47,611.92
  6. Step 6: Final answer
    x = 18,829.86

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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.