Home / 51,865.72-71,548.40-30,341.39

Finding the Fourth Proportional to 51,865.72, 71,548.40 and 30,341.39

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Solution

The fourth proportional to 51,865.72, 71,548.40 and 30,341.39 is: 41,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,865.72 : 71,548.40 = 30,341.39 : x
  2. Step 2: Convert to fraction form
    51,865.72/71,548.40 = 30,341.39/x
  3. Step 3: Cross multiply
    51,865.72x = 71,548.40 × 30,341.39
  4. Step 4: Simplify right side
    51,865.72x = 2,170,877,626.39
  5. Step 5: Solve for x
    x = 2,170,877,626.39/51,865.72
  6. Step 6: Final answer
    x = 41,855.73

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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.