Home / 55,607.50-76,738.38-30,114.06

Finding the Fourth Proportional to 55,607.50, 76,738.38 and 30,114.06

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Solution

The fourth proportional to 55,607.50, 76,738.38 and 30,114.06 is: 41,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,607.50 : 76,738.38 = 30,114.06 : x
  2. Step 2: Convert to fraction form
    55,607.50/76,738.38 = 30,114.06/x
  3. Step 3: Cross multiply
    55,607.50x = 76,738.38 × 30,114.06
  4. Step 4: Simplify right side
    55,607.50x = 2,310,904,179.62
  5. Step 5: Solve for x
    x = 2,310,904,179.62/55,607.50
  6. Step 6: Final answer
    x = 41,557.42

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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.