Home / 51,675.96-71,312.87-30,180.36

Finding the Fourth Proportional to 51,675.96, 71,312.87 and 30,180.36

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Solution

The fourth proportional to 51,675.96, 71,312.87 and 30,180.36 is: 41,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,675.96 : 71,312.87 = 30,180.36 : x
  2. Step 2: Convert to fraction form
    51,675.96/71,312.87 = 30,180.36/x
  3. Step 3: Cross multiply
    51,675.96x = 71,312.87 × 30,180.36
  4. Step 4: Simplify right side
    51,675.96x = 2,152,247,938.33
  5. Step 5: Solve for x
    x = 2,152,247,938.33/51,675.96
  6. Step 6: Final answer
    x = 41,648.92

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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.