Home / 55,230.05-76,217.46-30,079.55

Finding the Fourth Proportional to 55,230.05, 76,217.46 and 30,079.55

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Solution

The fourth proportional to 55,230.05, 76,217.46 and 30,079.55 is: 41,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,230.05 : 76,217.46 = 30,079.55 : x
  2. Step 2: Convert to fraction form
    55,230.05/76,217.46 = 30,079.55/x
  3. Step 3: Cross multiply
    55,230.05x = 76,217.46 × 30,079.55
  4. Step 4: Simplify right side
    55,230.05x = 2,292,586,898.94
  5. Step 5: Solve for x
    x = 2,292,586,898.94/55,230.05
  6. Step 6: Final answer
    x = 41,509.77

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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.