Home / 55,124-76,071.12-29,973.68

Finding the Fourth Proportional to 55,124, 76,071.12 and 29,973.68

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Solution

The fourth proportional to 55,124, 76,071.12 and 29,973.68 is: 41,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124 : 76,071.12 = 29,973.68 : x
  2. Step 2: Convert to fraction form
    55,124/76,071.12 = 29,973.68/x
  3. Step 3: Cross multiply
    55,124x = 76,071.12 × 29,973.68
  4. Step 4: Simplify right side
    55,124x = 2,280,131,408.12
  5. Step 5: Solve for x
    x = 2,280,131,408.12/55,124
  6. Step 6: Final answer
    x = 41,363.68

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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.