Home / 34,060.64-51,020.62-19,978.28

Finding the Fourth Proportional to 34,060.64, 51,020.62 and 19,978.28

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Solution

The fourth proportional to 34,060.64, 51,020.62 and 19,978.28 is: 29,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,060.64 : 51,020.62 = 19,978.28 : x
  2. Step 2: Convert to fraction form
    34,060.64/51,020.62 = 19,978.28/x
  3. Step 3: Cross multiply
    34,060.64x = 51,020.62 × 19,978.28
  4. Step 4: Simplify right side
    34,060.64x = 1,019,304,118.41
  5. Step 5: Solve for x
    x = 1,019,304,118.41/34,060.64
  6. Step 6: Final answer
    x = 29,926.16

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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.