Home / 51,621.08-71,237.12-30,125.61

Finding the Fourth Proportional to 51,621.08, 71,237.12 and 30,125.61

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Solution

The fourth proportional to 51,621.08, 71,237.12 and 30,125.61 is: 41,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,621.08 : 71,237.12 = 30,125.61 : x
  2. Step 2: Convert to fraction form
    51,621.08/71,237.12 = 30,125.61/x
  3. Step 3: Cross multiply
    51,621.08x = 71,237.12 × 30,125.61
  4. Step 4: Simplify right side
    51,621.08x = 2,146,061,544.02
  5. Step 5: Solve for x
    x = 2,146,061,544.02/51,621.08
  6. Step 6: Final answer
    x = 41,573.36

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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.