Home / 51,270.57-70,734.47-30,042.09

Finding the Fourth Proportional to 51,270.57, 70,734.47 and 30,042.09

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Solution

The fourth proportional to 51,270.57, 70,734.47 and 30,042.09 is: 41,447.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,270.57 : 70,734.47 = 30,042.09 : x
  2. Step 2: Convert to fraction form
    51,270.57/70,734.47 = 30,042.09/x
  3. Step 3: Cross multiply
    51,270.57x = 70,734.47 × 30,042.09
  4. Step 4: Simplify right side
    51,270.57x = 2,125,011,163.63
  5. Step 5: Solve for x
    x = 2,125,011,163.63/51,270.57
  6. Step 6: Final answer
    x = 41,447.00

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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.