Home / 47,706.36-71,551.43-12,649.56

Finding the Fourth Proportional to 47,706.36, 71,551.43 and 12,649.56

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Solution

The fourth proportional to 47,706.36, 71,551.43 and 12,649.56 is: 18,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,706.36 : 71,551.43 = 12,649.56 : x
  2. Step 2: Convert to fraction form
    47,706.36/71,551.43 = 12,649.56/x
  3. Step 3: Cross multiply
    47,706.36x = 71,551.43 × 12,649.56
  4. Step 4: Simplify right side
    47,706.36x = 905,094,106.87
  5. Step 5: Solve for x
    x = 905,094,106.87/47,706.36
  6. Step 6: Final answer
    x = 18,972.19

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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.