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Finding the Fourth Proportional to 36,748, 55,078.98 and 15,682.06

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Solution

The fourth proportional to 36,748, 55,078.98 and 15,682.06 is: 23,504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,748 : 55,078.98 = 15,682.06 : x
  2. Step 2: Convert to fraction form
    36,748/55,078.98 = 15,682.06/x
  3. Step 3: Cross multiply
    36,748x = 55,078.98 × 15,682.06
  4. Step 4: Simplify right side
    36,748x = 863,751,869.10
  5. Step 5: Solve for x
    x = 863,751,869.10/36,748
  6. Step 6: Final answer
    x = 23,504.73

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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.