Home / 55,429.74-76,490.19-30,274.38

Finding the Fourth Proportional to 55,429.74, 76,490.19 and 30,274.38

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Solution

The fourth proportional to 55,429.74, 76,490.19 and 30,274.38 is: 41,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.74 : 76,490.19 = 30,274.38 : x
  2. Step 2: Convert to fraction form
    55,429.74/76,490.19 = 30,274.38/x
  3. Step 3: Cross multiply
    55,429.74x = 76,490.19 × 30,274.38
  4. Step 4: Simplify right side
    55,429.74x = 2,315,693,078.33
  5. Step 5: Solve for x
    x = 2,315,693,078.33/55,429.74
  6. Step 6: Final answer
    x = 41,777.09

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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.