Home / 55,341.08-76,370.58-30,190.58

Finding the Fourth Proportional to 55,341.08, 76,370.58 and 30,190.58

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Solution

The fourth proportional to 55,341.08, 76,370.58 and 30,190.58 is: 41,662.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.08 : 76,370.58 = 30,190.58 : x
  2. Step 2: Convert to fraction form
    55,341.08/76,370.58 = 30,190.58/x
  3. Step 3: Cross multiply
    55,341.08x = 76,370.58 × 30,190.58
  4. Step 4: Simplify right side
    55,341.08x = 2,305,672,105.14
  5. Step 5: Solve for x
    x = 2,305,672,105.14/55,341.08
  6. Step 6: Final answer
    x = 41,662.94

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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.