Home / 51,818.60-71,498.06-30,586.48

Finding the Fourth Proportional to 51,818.60, 71,498.06 and 30,586.48

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Solution

The fourth proportional to 51,818.60, 71,498.06 and 30,586.48 is: 42,202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,818.60 : 71,498.06 = 30,586.48 : x
  2. Step 2: Convert to fraction form
    51,818.60/71,498.06 = 30,586.48/x
  3. Step 3: Cross multiply
    51,818.60x = 71,498.06 × 30,586.48
  4. Step 4: Simplify right side
    51,818.60x = 2,186,873,982.23
  5. Step 5: Solve for x
    x = 2,186,873,982.23/51,818.60
  6. Step 6: Final answer
    x = 42,202.49

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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.