Home / 55,165.20-76,125.78-30,014.70

Finding the Fourth Proportional to 55,165.20, 76,125.78 and 30,014.70

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Solution

The fourth proportional to 55,165.20, 76,125.78 and 30,014.70 is: 41,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,165.20 : 76,125.78 = 30,014.70 : x
  2. Step 2: Convert to fraction form
    55,165.20/76,125.78 = 30,014.70/x
  3. Step 3: Cross multiply
    55,165.20x = 76,125.78 × 30,014.70
  4. Step 4: Simplify right side
    55,165.20x = 2,284,892,448.97
  5. Step 5: Solve for x
    x = 2,284,892,448.97/55,165.20
  6. Step 6: Final answer
    x = 41,419.09

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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.