Home / 55,315.98-76,341.29-32,661.90

Finding the Fourth Proportional to 55,315.98, 76,341.29 and 32,661.90

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Solution

The fourth proportional to 55,315.98, 76,341.29 and 32,661.90 is: 45,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.98 : 76,341.29 = 32,661.90 : x
  2. Step 2: Convert to fraction form
    55,315.98/76,341.29 = 32,661.90/x
  3. Step 3: Cross multiply
    55,315.98x = 76,341.29 × 32,661.90
  4. Step 4: Simplify right side
    55,315.98x = 2,493,451,416.54
  5. Step 5: Solve for x
    x = 2,493,451,416.54/55,315.98
  6. Step 6: Final answer
    x = 45,076.51

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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.