Home / 55,341.25-76,370.85-30,190.75

Finding the Fourth Proportional to 55,341.25, 76,370.85 and 30,190.75

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Solution

The fourth proportional to 55,341.25, 76,370.85 and 30,190.75 is: 41,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.25 : 76,370.85 = 30,190.75 : x
  2. Step 2: Convert to fraction form
    55,341.25/76,370.85 = 30,190.75/x
  3. Step 3: Cross multiply
    55,341.25x = 76,370.85 × 30,190.75
  4. Step 4: Simplify right side
    55,341.25x = 2,305,693,239.64
  5. Step 5: Solve for x
    x = 2,305,693,239.64/55,341.25
  6. Step 6: Final answer
    x = 41,663.19

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1.5x scale

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.