Home / 50,980.68-76,475.88-19,818.36

Finding the Fourth Proportional to 50,980.68, 76,475.88 and 19,818.36

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Solution

The fourth proportional to 50,980.68, 76,475.88 and 19,818.36 is: 29,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,980.68 : 76,475.88 = 19,818.36 : x
  2. Step 2: Convert to fraction form
    50,980.68/76,475.88 = 19,818.36/x
  3. Step 3: Cross multiply
    50,980.68x = 76,475.88 × 19,818.36
  4. Step 4: Simplify right side
    50,980.68x = 1,515,626,521.16
  5. Step 5: Solve for x
    x = 1,515,626,521.16/50,980.68
  6. Step 6: Final answer
    x = 29,729.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.