Home / 54,429.21-75,107.17-30,551.22

Finding the Fourth Proportional to 54,429.21, 75,107.17 and 30,551.22

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Solution

The fourth proportional to 54,429.21, 75,107.17 and 30,551.22 is: 42,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.21 : 75,107.17 = 30,551.22 : x
  2. Step 2: Convert to fraction form
    54,429.21/75,107.17 = 30,551.22/x
  3. Step 3: Cross multiply
    54,429.21x = 75,107.17 × 30,551.22
  4. Step 4: Simplify right side
    54,429.21x = 2,294,615,222.33
  5. Step 5: Solve for x
    x = 2,294,615,222.33/54,429.21
  6. Step 6: Final answer
    x = 42,157.79

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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.