Home / 55,324.70-76,348.18-30,174.20

Finding the Fourth Proportional to 55,324.70, 76,348.18 and 30,174.20

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Solution

The fourth proportional to 55,324.70, 76,348.18 and 30,174.20 is: 41,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.70 : 76,348.18 = 30,174.20 : x
  2. Step 2: Convert to fraction form
    55,324.70/76,348.18 = 30,174.20/x
  3. Step 3: Cross multiply
    55,324.70x = 76,348.18 × 30,174.20
  4. Step 4: Simplify right side
    55,324.70x = 2,303,745,252.96
  5. Step 5: Solve for x
    x = 2,303,745,252.96/55,324.70
  6. Step 6: Final answer
    x = 41,640.45

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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.