Home / 51,685.05-71,333.09-31,553.62

Finding the Fourth Proportional to 51,685.05, 71,333.09 and 31,553.62

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Solution

The fourth proportional to 51,685.05, 71,333.09 and 31,553.62 is: 43,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,685.05 : 71,333.09 = 31,553.62 : x
  2. Step 2: Convert to fraction form
    51,685.05/71,333.09 = 31,553.62/x
  3. Step 3: Cross multiply
    51,685.05x = 71,333.09 × 31,553.62
  4. Step 4: Simplify right side
    51,685.05x = 2,250,817,383.34
  5. Step 5: Solve for x
    x = 2,250,817,383.34/51,685.05
  6. Step 6: Final answer
    x = 43,548.71

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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.