Home / 55,407.75-76,462.70-30,257.25

Finding the Fourth Proportional to 55,407.75, 76,462.70 and 30,257.25

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Solution

The fourth proportional to 55,407.75, 76,462.70 and 30,257.25 is: 41,755.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,407.75 : 76,462.70 = 30,257.25 : x
  2. Step 2: Convert to fraction form
    55,407.75/76,462.70 = 30,257.25/x
  3. Step 3: Cross multiply
    55,407.75x = 76,462.70 × 30,257.25
  4. Step 4: Simplify right side
    55,407.75x = 2,313,550,878.29
  5. Step 5: Solve for x
    x = 2,313,550,878.29/55,407.75
  6. Step 6: Final answer
    x = 41,755.01

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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.