Home / 51,071.06-76,616.31-19,903.88

Finding the Fourth Proportional to 51,071.06, 76,616.31 and 19,903.88

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Solution

The fourth proportional to 51,071.06, 76,616.31 and 19,903.88 is: 29,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.06 : 76,616.31 = 19,903.88 : x
  2. Step 2: Convert to fraction form
    51,071.06/76,616.31 = 19,903.88/x
  3. Step 3: Cross multiply
    51,071.06x = 76,616.31 × 19,903.88
  4. Step 4: Simplify right side
    51,071.06x = 1,524,961,457.20
  5. Step 5: Solve for x
    x = 1,524,961,457.20/51,071.06
  6. Step 6: Final answer
    x = 29,859.60

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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.