Home / 54,229-74,835.24-30,355.66

Finding the Fourth Proportional to 54,229, 74,835.24 and 30,355.66

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Solution

The fourth proportional to 54,229, 74,835.24 and 30,355.66 is: 41,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,229 : 74,835.24 = 30,355.66 : x
  2. Step 2: Convert to fraction form
    54,229/74,835.24 = 30,355.66/x
  3. Step 3: Cross multiply
    54,229x = 74,835.24 × 30,355.66
  4. Step 4: Simplify right side
    54,229x = 2,271,673,101.46
  5. Step 5: Solve for x
    x = 2,271,673,101.46/54,229
  6. Step 6: Final answer
    x = 41,890.37

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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.