Home / 55,341.44-76,372.40-30,190.92

Finding the Fourth Proportional to 55,341.44, 76,372.40 and 30,190.92

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Solution

The fourth proportional to 55,341.44, 76,372.40 and 30,190.92 is: 41,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.44 : 76,372.40 = 30,190.92 : x
  2. Step 2: Convert to fraction form
    55,341.44/76,372.40 = 30,190.92/x
  3. Step 3: Cross multiply
    55,341.44x = 76,372.40 × 30,190.92
  4. Step 4: Simplify right side
    55,341.44x = 2,305,753,018.61
  5. Step 5: Solve for x
    x = 2,305,753,018.61/55,341.44
  6. Step 6: Final answer
    x = 41,664.13

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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.